[automerger skipped] Make generic of get/setMobileDataPolicyEnabled() am: 107664710d -s ours

am skip reason: Merged-In Ia53a740e0490a473dfcfdf23a8e9cb8870cfec1f with SHA-1 1232010edf is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/services/Telephony/+/21601652

Change-Id: Ie556916ca4ec40a9eb606dcf2d83c3056d1d57b4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>