[automerger skipped] Merge "Prevent apps from spamming addAccountExplicitly....

[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: a0226b4d am: b65ac540 am: 7c357164 -s ours am: e469f5aa -s ours am: 25a5971a -s ours am: 89ddaf87 -s ours am: 89c568a0 -s ours am: e4c03308 -s ours

am skip reason: skipped by user aseemk

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

Change-Id: Ia12fbebbbee8d5ad69e9b24ff7bed847d062d44a