Merge "Throttle the repeated silent installation requests" into sc-dev am:...

Merge "Throttle the repeated silent installation requests" into sc-dev am: 6dc12d80 am: f9bfdcce

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/14462765

Change-Id: Ieee4f5ab09e5ab709c9825033b2989925007db6b