[automerger skipped] [DO NOT MERGE] Add USE_RBE support to soong. am:...

[automerger skipped] [DO NOT MERGE] Add USE_RBE support to soong. am: adf591a5 am: 2445d7c4 -s ours

am skip reason: subject contains skip directive

Original change: https://googleplex-android-review.googlesource.com/c/platform/build/soong/+/12467704

Change-Id: I252aa44f305f0b64fe88e073fdfbb01c043fa251