Merge "Migrate from android::String isEmpty to empty [camera]" into main am:...

Merge "Migrate from android::String isEmpty to empty [camera]" into main am: c755d7d9 am: f4a585b7 am: 4999b86a am: 459cfb9b am: 9998d6ba

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2725974



Change-Id: I6119d5cfbbba92410a81c13267390c503b42f16d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>