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: 543c7e12 am: 8b23eff6

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



Change-Id: Iad064435fedda36c3d9fcaada3bebafdf2da0b6e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>