Merge "Moving shared classes to common.pip package 1/N" into udc-qpr-dev am: a2a56f48c9 am: aab0ac8993

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24395268

Change-Id: I7191ad9243ccbdb8b361212c19dd40caadbe5a39
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>