[automerger skipped] Merge "Prevent apps from spamming addAccountExplicitly. See comment here for the discussion on solution https://b.corp.google.com/issues/169762606#comment14" into pi-dev am: a0226b4d47 am: b65ac540d2 am: 7c35716464 -s ours am: e469f5aaad -s ours am: 25a5971a3c -s ours

am skip reason: skipped by user aseemk

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15405290

Change-Id: I847f9e1416994d50029cc4dc7879443e724ace2b