Add @UnsupportedAppUsage annotations

For packages:
  android.telephony
  android.telephony.cdma
  android.telephony.data
  android.telephony.euicc
  android.telephony.gsm
  android.telephony.ims
  android.telephony.ims.aidl
  android.telephony.ims.compat
  android.telephony.ims.compat.feature
  android.telephony.ims.compat.stub
  android.telephony.ims.feature
  android.telephony.ims.stub
  android.telephony.mbms
  android.telephony.mbms.vendor

This is an automatically generated CL. See go/UnsupportedAppUsage
for more details.

Exempted-From-Owner-Approval: Mechanical changes to the codebase
which have been approved by Android API council and announced on
android-eng@

Bug: 110868826
Test: m
Change-Id: I02d900d6d0ec9a6b2172a71911fec61d04e4d235
Merged-In: I22547ac0ed384d74d61cfd51d20c140e392a597f