Merge "Move startRBE error handling to the main goroutine" into main am:...

Merge "Move startRBE error handling to the main goroutine" into main am: 31783628 am: 60b62f67 am: 9a746cfd

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/2849973



Change-Id: I1031b7907ca20d9f6d3400439ee1ca3fd4df381e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>