Merge "Add simpleperf collector for collecting simpleperf samples." into rvc-dev am: 739b3caa6d

Original change: https://googleplex-android-review.googlesource.com/c/platform/platform_testing/+/12211742

Change-Id: Ie720081c39afc2d46f4ef7a81b7f81f363431060
tree: c8b61c06d35e6c6f3929da084bd3ba19af14ff7d
  1. build/
  2. docs/
  3. emu_test/
  4. libraries/
  5. scripts/
  6. tests/
  7. utils/
  8. PREUPLOAD.cfg