Merge "Set installable: false on apex jars by default" am: 42fb4206f8 am: a1e0090236 am: 8e84f29c7e

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1559505

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Iee440f21023c26405b671f9b2f353f884f3c6697