Revert "[Telephony Mainline] To mark @hide for mainline module r..."

Revert "[Telephony Mainline] To mark @hide for mainline module r..."

Revert submission 10665971-TML_revertSystemApi

Reason for revert: cause the build break
Reverted Changes:
I12a98578c:[Telephony Mainline] To mark @hide for mainline mo...
Ib12145dc0:[Telephony Mainline] To mark @hide for mainline mo...

Change-Id: I5a320c062058af9573a84fabbd06ace68682f3be