tree d774465f7361cd6e21c0e9ccca64f3d0d9a022db
parent 18900c462c16c0e3784b8bb6959426caa93cb8cb
author chen xu <fionaxu@google.com> 1551402622 -0800
committer Chen Xu <fionaxu@google.com> 1551465684 +0000

add Nullable annotation to TelephonyAPIs

Bug: 126702627
Test: Build
Change-Id: I0fa9370840ceda70b181976fa671cd962bdfcbca