Protect TelecomManager#getPhoneAccount with necessary permission. am: ba2e174009 am: 5a8d93dede

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/services/Telecomm/+/15053354

Change-Id: I0d0b7f75b0e645af0ef7d8bf396d207ac48b7b81