Merge "Minor refactor tools/releasetools/common.py" into main am: 50e5fbd6...

Merge "Minor refactor tools/releasetools/common.py" into main am: 50e5fbd6 am: de693db3 am: 05450766

Original change: https://android-review.googlesource.com/c/platform/build/+/2769023



Change-Id: Id58793c66a5eeae22c74bb7bc2cdf32d446d440b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>