Merge "Call a search activity when using KEYCODE_SEARCH" am: 37d4e041bc

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2455076

Change-Id: I57da974351afff1e09ba521dd7baced1dd154542
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>