[security] SubscriptionGroup is exposed to unprivileged callers

SubscriptionInfo.mGroupUUID is not cleared in
conditionallyRemoveIdentifiers if the caller only has READ_PHONE_STATE
(based on a check to checkReadPhoneState) and not READ_DEVICE_IDENTIFIERS.
Bug: 181053462
Test: atest SubscriptionManagerTest

Change-Id: Ic371faf1ded5186fd6aad022ffd3bf06066e663a
Merged-In: Ic371faf1ded5186fd6aad022ffd3bf06066e663a
(cherry picked from commit 91f5aa165e6a62511d9450de67da26377d9815c4)
1 file changed