Merge "Add a new attribute for TEXT_HEADER_ROW" into udc-qpr-dev am: 393dcb24

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/24327091



Change-Id: Idc5b6ba8b4e0876b8194d06a2e07093d2d125f0b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>