Merge "When a pinned file is a jar or apk, ask the runtime for other files."...

Merge "When a pinned file is a jar or apk, ask the runtime for other files." am: 03faaa58 am: c17f1064 am: 2e17b07d am: 001566a3

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1646526

Change-Id: Icbbe9d1479f756d095c991618605a241510568cb