Merge "Renames customization content provider (3/7)." into tm-qpr-dev am: 31f874c1bb

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/ThemePicker/+/20823819

Change-Id: Iaebaa589ec978bbdc667fd5ad1587c372497559c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>