Merge "Drop .stubs from android.test.[base|runner|mock].stubs" into rvc-dev-plus-aosp am: 2e220ff9a1 am: 1aac6b48d1

Original change: https://googleplex-android-review.googlesource.com/c/platform/cts/+/12034583

Change-Id: Iee0899e2e316dae2bc4bb3ffd10f7985b6f9a765
tree: 6f2322671c932f15502dbb013852eca3584e8230
  1. tests/