[lldb-dap] Automatically skip lldb-dap tests for remote platforms (#93169)

The don't currently work (and they're also not particularly useful,
since all of the remote stuff happens inside lldb).

[lldb-dap] Automatically skip lldb-dap tests for remote platforms (#93169)

The don't currently work (and they're also not particularly useful,
since all of the remote stuff happens inside lldb).

This saves us from annotating tests one by one.

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[lldb-dap] Replace `assertEquals` with `assertEqual` (NFC)

Fixes new test that were added or modified after #82073. Also fixes a
formatting issue.

[lldb-dap] Deduplicate watchpoints starting at the same address on SetDataBreakpointsRequest. (#83192)

If a SetDataBreakpointsRequest contains a list data breakpoints which
have duplicate starting

[lldb-dap] Deduplicate watchpoints starting at the same address on SetDataBreakpointsRequest. (#83192)

If a SetDataBreakpointsRequest contains a list data breakpoints which
have duplicate starting addresses, the current behaviour is returning
`{verified: true}` to both watchpoints with duplicated starting
addresses. This confuses the client and what actually happens in lldb is
the second one overwrite the first one.

This fixes it by letting the last watchpoint at given address have
`{verified: true}` and all previous watchpoints at the same address
should have `{verfied: false}` at response.

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Re-land [lldb-dap] Add support for data breakpoint. (#81909)

This implements functionality to handle DataBreakpointInfo request and
SetDataBreakpoints request.

Previous commit
https://github.co

Re-land [lldb-dap] Add support for data breakpoint. (#81909)

This implements functionality to handle DataBreakpointInfo request and
SetDataBreakpoints request.

Previous commit
https://github.com/llvm/llvm-project/commit/8c56e78ec531f0e2460213c20fff869b6b7add99
was reverted because setting 1 byte watchpoint failed in the new test on
ARM64. So, I changed the test to setting 4 byte watchpoint instead, and
hope this won't break it again. It also adds the fixes from
https://github.com/llvm/llvm-project/pull/81680.

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[lldb-dap] Add support for data breakpoint. (#81541)

This implements functionality to handle `DataBreakpointInfo` request and
`SetDataBreakpoints` request.

If variablesReference is 0 or not prov

[lldb-dap] Add support for data breakpoint. (#81541)

This implements functionality to handle `DataBreakpointInfo` request and
`SetDataBreakpoints` request.

If variablesReference is 0 or not provided, interpret name as ${number
of bytes}@${expression} to set data breakpoint at the given expression
because the spec
https://microsoft.github.io/debug-adapter-protocol/specification#Requests_DataBreakpointInfo
doesn't say how the client could specify the number of bytes to watch.

This is based on top of https://github.com/llvm/llvm-project/pull/80753.

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