Credential FRP: Add ACTION_CONFIRM_FRP_CREDENTIAL to ConfirmCredential

Bug: 36814845
Test: adb shell settings put global device_provisioned 0 && adb shell am start -a android.app.action.CONFIRM_FRP_CREDENTIAL
Change-Id: Id6ce6bc5ebd9c9e2a88790cc800678aff50e580f
7 files changed