Merge "Migrate from android::String isEmpty to empty [bootanimation]" into main am: 1de5695524 am: 757b050795

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2725975

Change-Id: Id484fc0a654d54c8952606048bde03fdb7544372
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>