Merge "Make the pending top UID's adj value slightly better than FOREGROUND_APP_ADJ." into rvc-dev am: e58fb44af5 am: f5cb5d71fc

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/12133296

Change-Id: Ic4d656bf64ee6c50841c4e1bec950ffd0f0d12f1