Merge "Prevent apps from spamming addAccountExplicitly. See comment here for the discussion on solution https://b.corp.google.com/issues/169762606#comment14" into rvc-dev am: c744a25d14 am: 6646abd4ba am: 4404d4afff

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15624560

Change-Id: I019b5c424f7e2454bcd1a5c1c62a412fad360259