Merge "Add external_updater to bazel allowlist." am: 01add289 am: 73b1bed6

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/2536370



Change-Id: I0fec628aa0906cde32db702fbc34b6977740ec62
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>