[automerger skipped] Merge "Import the window extension libary in the Settings app" into sc-v2-dev am: a1b8347ae4 am: bdbe97f958 -s ours

am skip reason: Merged-In If9040ae9a1c72097e4964c8d40ea9785cf2f01dc with SHA-1 18ad0c49a8 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Settings/+/15595088

Change-Id: I2a5589ef30857b66568dec24a68a6a66a360dc88