[automerger skipped] Prevent apps from spamming addAccountExplicitly. am:...

[automerger skipped] Prevent apps from spamming addAccountExplicitly. am: 551d70e1 am: 662fcc58 -s ours am: 9290f7b3 -s ours am: c75430eb -s ours

am skip reason: skipped by user aseemk

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15624525

Change-Id: I1095b6a6c5dcd8672656a3995fb4fc529fae0dae