[NFC][Py Reformat] Reformat python files in lldb

This is an ongoing series of commits that are reformatting our Python
code. Reformatting is done with `black` (23.1.0).

If you end up having problem

[NFC][Py Reformat] Reformat python files in lldb

This is an ongoing series of commits that are reformatting our Python
code. Reformatting is done with `black` (23.1.0).

If you end up having problems merging this commit because you have made
changes to a python file, the best way to handle that is to run `git
checkout --ours <yourfile>` and then reformat it with black.

RFC: https://discourse.llvm.org/t/rfc-document-and-standardize-python-code-style

Differential revision: https://reviews.llvm.org/D151460

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Re-land "[lldb] Make the libcxx unique_ptr prettyprinter support custom deleters."

This reverts commit 45351120105a7257ccb1e38ec1b1f8a452269da2.

[lldb][Test] Check compiler in data forammter compiler version checks

**Summary**

The compiler version check wouldn't make sense for non-GCC
compilers, so check for the compiler too.

Differential

[lldb][Test] Check compiler in data forammter compiler version checks

**Summary**

The compiler version check wouldn't make sense for non-GCC
compilers, so check for the compiler too.

Differential Revision: https://reviews.llvm.org/D143656

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[lldb][Test] Fix import-std-module and data-formatter tests on older compilers

Fixes API tests for older compilers.
Since https://reviews.llvm.org/D141828 defaulted
arguments will be omitted, but ol

[lldb][Test] Fix import-std-module and data-formatter tests on older compilers

Fixes API tests for older compilers.
Since https://reviews.llvm.org/D141828 defaulted
arguments will be omitted, but older Clang's won't.

Differential Revision: https://reviews.llvm.org/D143022

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[lldb][tests] Automatically call compute_mydir (NFC)

Eliminate boilerplate of having each test manually assign to `mydir` by calling
`compute_mydir` in lldbtest.py.

Differential Revision: https://r

[lldb][tests] Automatically call compute_mydir (NFC)

Eliminate boilerplate of having each test manually assign to `mydir` by calling
`compute_mydir` in lldbtest.py.

Differential Revision: https://reviews.llvm.org/D128077

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Skip tests when compiler with older versions of clang

[ASTImporter] Import the default argument of TemplateTypeParmDecl

The test case isn't using the AST matchers for all checks as there doesn't seem to be support for
matching TemplateTypeParmDecl defa

[ASTImporter] Import the default argument of TemplateTypeParmDecl

The test case isn't using the AST matchers for all checks as there doesn't seem to be support for
matching TemplateTypeParmDecl default arguments. Otherwise this is simply importing the
default arguments.

Also updates several LLDB tests that now as intended omit the default template
arguments of several std templates.

Reviewed By: martong

Differential Revision: https://reviews.llvm.org/D92103

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[lldb] Skip unique_ptr import-std-module tests on Linux

This seems to fail on ubuntu 18.04.5 with Clang 9 due to:

Error output:
error: Couldn't lookup symbols:
std::__1::default_delete<int>::oper

[lldb] Skip unique_ptr import-std-module tests on Linux

This seems to fail on ubuntu 18.04.5 with Clang 9 due to:

Error output:
error: Couldn't lookup symbols:
std::__1::default_delete<int>::operator()(int) const

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[lldb] Reference STL types in import-std-module tests

With the recent patches to the ASTImporter that improve template type importing
(D87444), most of the import-std-module tests can now finally im

[lldb] Reference STL types in import-std-module tests

With the recent patches to the ASTImporter that improve template type importing
(D87444), most of the import-std-module tests can now finally import the
type of the STL container they are testing. This patch removes most of the casts
that were added to simplify types to something the ASTImporter can import
(for example, std::vector<int>::size_type was casted to `size_t` until now).
Also adds the missing tests that require referencing the container type (for
example simply printing the whole container) as here we couldn't use a casting
workaround.

The only casts that remain are in the forward_list tests that reference
the iterator and the stack test. Both tests are still failing to import the
respective container type correctly (or crash while trying to import).

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[lldb][test] Remove symlink for API tests.

Summary: Moves lldbsuite tests to lldb/test/API.

This is a largely mechanical change, moved with the following steps:

```
rm lldb/test/API/testcases
mkdi

[lldb][test] Remove symlink for API tests.

Summary: Moves lldbsuite tests to lldb/test/API.

This is a largely mechanical change, moved with the following steps:

```
rm lldb/test/API/testcases
mkdir -p lldb/test/API/{test_runner/test,tools/lldb-{server,vscode}}
mv lldb/packages/Python/lldbsuite/test/test_runner/test lldb/test/API/test_runner
for d in $(find lldb/packages/Python/lldbsuite/test/* -maxdepth 0 -type d | egrep -v "make|plugins|test_runner|tools"); do mv $d lldb/test/API; done
for d in $(find lldb/packages/Python/lldbsuite/test/tools/lldb-vscode -maxdepth 1 -mindepth 1 | grep -v ".py"); do mv $d lldb/test/API/tools/lldb-vscode; done
for d in $(find lldb/packages/Python/lldbsuite/test/tools/lldb-server -maxdepth 1 -mindepth 1 | egrep -v "gdbremote_testcase.py|lldbgdbserverutils.py|socket_packet_pump.py"); do mv $d lldb/test/API/tools/lldb-server; done
```

lldb/packages/Python/lldbsuite/__init__.py and lldb/test/API/lit.cfg.py were also updated with the new directory structure.

Reviewers: labath, JDevlieghere

Tags: #lldb

Differential Revision: https://reviews.llvm.org/D71151

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