Add buganizer component to appsearch owners file for auto assignment of bugs. am: 8405343f5d

Original change: https://android-review.googlesource.com/c/platform/packages/modules/AppSearch/+/2746557

Change-Id: I8908b20ba7fb01a8ee588304686d0d6639e4360e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>