Merge "Add copyright to existing test classes" into udc-qpr-dev am: 5b7f1f61

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/ThemePicker/+/23881106



Change-Id: Ib7d5f033cd8f5865262f82727104151b1847668b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>