Merge "Put javac, d8 and r8 rules into RBE ninja pool, take two" am:...

Merge "Put javac, d8 and r8 rules into RBE ninja pool, take two" am: 845e23b0 am: b8999c3d am: 1e492a67 am: bc28181e

Original change: https://android-review.googlesource.com/c/platform/build/+/2065912



Change-Id: I1b776b33824233a9e42ec099d16d24126359362f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>