Revert "[Telephony mainline] Move all METHOD_* constants from Sy..."

Revert "[Telephony mainline] Move the functionality into the cal..."

Revert submission 1175092-1575532679259-3b86bd03

Reason for revert: <Revisit and redesign in S>
Reverted Changes:
I5c4380f93:[Telephony mainline] Move all METHOD_* constants f...
I84bbfc13c:[Telephony mainline] Move METHOD_* constants from ...
I5a53cb416:[Telephony mainline] Move the functionality into t...
I69d1fd77c:[Telephony Mainline] 1. Move the functionality abo...
I619d6ba04:[Telephony mainline] Add SystemApi and NonNull ann...

Change-Id: I6b73dd421d3c7cf82e9469d7ebe6d68cea8e2dd7
Mergde-In: I31ebf6f7b1952feb85fd973fc5314b622c1f2f62
1 file changed