tree 322750556c286ff31293a460b1934695ec941e85
parent 628cd1a629761f5a469bd661f1ff454c68b4f4c9
author Hall Liu <hallliu@google.com> 1563317153 -0700
committer Hall Liu <hallliu@google.com> 1563317217 -0700

Add text to RTT setting when roaming

Add text to the RTT setting summary when the phone is roaming in order
to inform users that RTT is not available when the phone is roaming.

Fixes: 137281973
Test: manual
Change-Id: Ie6e4ee1461a5453993b291601f7a8e7bfac8eee0