Make getSubIdForPhoneAccountHandle Public

Clean up getSubIdForPhoneAccountHandle without checking
 CAPABILITY_SIM_SUBSCRIPTION

Test: Treehugger
Bug: 143235201
Change-Id: I563760d0e68cbcae597ccd297f184ee9efdf3367
Merged-In: I563760d0e68cbcae597ccd297f184ee9efdf3367
(cherry picked from commit 9ac2d6b08be97a2d8c20bbc57632605712167bd4)
3 files changed