Merge "Put javac, d8 and r8 rules into RBE ninja pool" am: 7bc6d0e7 am: ffa398e6 am: a98fd151

Original change: https://android-review.googlesource.com/c/platform/build/+/2059990



Change-Id: I7cd8b1c59323e9deb314e8f2d9b17e4d8a57bd80
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>