add new API setActivationState to TelephonyManager

Bug: 31061369
Test: all existing telephony unit tests are passing
Merged-in CHANGE-ID: I01a931b4d953d03a5710d521b0c5a3a9033c1d89
Change-Id: I84433729448f32fc1eea4d93bc9ad6b99252608b
1 file changed