[automerger skipped] DO NOT MERGE: Revert "Removing the initialising the mode with system pref mode." am: b04ca7ee am: 46054fd0 -s ours

am skip reason: subject contains skip directive

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20065580



Change-Id: Idb92ef17af4335b06c06d65e6ad255e5fe47b527
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>