tree 4524fe1f427cbc30d4ceb5d78bbd4a8c0023de58
parent dd21596dbb544c95a3fa9a67ab25041f0cfcda4f
author Malcolm Chen <refuhoo@google.com> 1528341653 -0700
committer Pengquan Meng <mpq@google.com> 1538686195 -0700

Fix binder leakage and activity leakage in MobileNetworkSettings.

There's a binder leakage in MobileDataPreference. Its contentObserver
was only unregistered in onPrepareForRemoval, which is not called when
the activity is destroyed. So adding dispose API to make sure it's
unregistered.

Bug: 80275945
Test: unittest and stress test
Merged-In: Iaa447b46474a2235487aac3c200bba45924e5121
Change-Id: Iaa447b46474a2235487aac3c200bba45924e5121