Run test build: Add RBE support for smali am: a42a2e3d4e

Original change: https://android-review.googlesource.com/c/platform/art/+/2304197

Change-Id: I6c09021d5daea2eabd294ce165b79d0ca6d29695
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>