Merge "Add pending list of external source." am: 86806e9c am: e6544045 am:...

Merge "Add pending list of external source." am: 86806e9c am: e6544045 am: b5786a5e am: 7f2ec712

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1801771

Change-Id: Icbc5ef36e6e42e43f61469a9737f1946d206216c