Merge "Make section_header_content text one line" into tm-dev am: ec0d0d0580 am: 916c01d555

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/WallpaperPicker2/+/17988147

Change-Id: I0e36e40c2e0a723ce3e280bcf91f94c68c991483
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>