Add dynamic class rule injection to microbenchmarks. am: cb38becadc

Original change: https://googleplex-android-review.googlesource.com/c/platform/platform_testing/+/16009613

Change-Id: I9722cd13b2c2eae2671a428f4724c369d15c11f9
tree: 2fd0c5a566d6e859c18e0997058ce73f6a4dd229
  1. build/
  2. docs/
  3. emu_test/
  4. libraries/
  5. scripts/
  6. tests/
  7. utils/
  8. PREUPLOAD.cfg