Merge "Convert findleaves.py to python 3" am: aa3b3229

Original change: https://android-review.googlesource.com/c/platform/build/+/2267706



Change-Id: I5814b925bda3d3e0ca587b9a275630d319100627
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>