Merge "Set updateable:false explicitly in apex rules." am: a3ab19e8f3 am: 6a103de895

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1590172

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I1b4eeb2914bfea07dfa84de8f859218455bdc0b1