Merge "Remove App pairs related codes and files" into tm-qpr-dev am: d24e07e3 am: 56773c16

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18179824



Change-Id: Ia55aaa990c8880e6999903bbef7d09b0e406878c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>