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 am: 1c3977b8

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

Change-Id: Ifbd162c7c82730c43c5d5b7ef98495d2fa0a8f1a