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[automerger skipped] [Provider Model] Show searching sub-title for 2 seconds am: 659b2885 am: 373a043d -s ours

am skip reason: Merged-In I8394f5808d776589cbf115e6df8a7d456df5bc17 with SHA-1 659b2885 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15611729

Change-Id: I50f88c6b6bd78b666a384335da42d14207df69c5