MBED_STACK_STATS_ENABLED : Add stack_name information in greentea metrics

[jeromecoutant]

Summary of changes

Proposition is to add the thread name in the metrics that GreenTea displays at the end of each test.

Impact of changes

Example of result:

[1582104789.02][CONN][INF] found KV pair in stream: {{__thread_info;"main","0x020005db0",544,4096}}, queued...
[1582104789.08][CONN][INF] found KV pair in stream: {{__thread_info;"rtx_idle","0x020005df4",64,896}}, queued...
[1582104789.12][CONN][INF] found KV pair in stream: {{__thread_info;"rtx_timer","0x020005e38",96,768}}, queued...

Migration actions required

Documentation

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Pull request type

[x] Patch update (Bug fix / Target update / Docs update / Test update / Refactor)
[] Feature update (New feature / Functionality change / New API)
[] Major update (Breaking change E.g. Return code change / API behaviour change)

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Test results

[] No Tests required for this change (E.g docs only update)
[x] Covered by existing mbed-os tests (Greentea or Unittest)
[] Tests / results supplied as part of this PR

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Reviewers

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[ciarmcom]

@jeromecoutant, thank you for your changes.
@ARMmbed/mbed-os-maintainers please review.

[evedon]

LGTM

[mbed-ci]

Test run: FAILED

Summary: 1 of 11 test jobs failed
Build number : 1
Build artifacts

Failed test jobs:

• jenkins-ci/mbed-os-ci_greentea-test

[0xc0170]

test restarted (all passed)