Added empty subscription manager service am: 36f55c44f1 am: e64ef5a13e

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2457658

Change-Id: I06f6c453e1d3064e19370b92ebfb9bf0f92241ed
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>