Merge "Skip notify celllocation of not really changed." am: 87a7929958 am: 96e61153a1 am: 584c1588a6

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1425373

Change-Id: I3a199c7d958a1cd8ba30c4ab9ff70ebc0e8a47a3