Merge tag 'android-11.0.0_r48' into int/11/fp3

Android 11.0.0 Release 48 (RD2A.211001.002)

* tag 'android-11.0.0_r48':
  Check READ_PRIVILEGED_PHONE_STATE in getAvailableSubscriptionInfoList CTS
  Verify SAF blocks directory access to /sdcard/Android
  [security] SubscriptionGroup is exposed to unprivileged callers

Change-Id: If34724b390a7aa75a8b40b63dcea972915db497e