[automerger skipped] Refacotr mobile data observer for repository am: 0a9e7046 -s ours

am skip reason: Merged-In I26c8f946823abb7505f0227c8dd8ab0700d0c5f2 with SHA-1 120adb23 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Settings/+/27205449



Change-Id: Ibd6261a5e6b23ca56a0e95f03c80af005b65e963
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>