Bug 1262273 - Keep support Fragment accessors from getting Proguarded out. r=mcomella

MozReview-Commit-ID: 4jY06GjGgwN

--HG--
extra : rebase_source : ad77a340de018ae18a2d0ace075b50d44a2ef848
extra : histedit_source : a7a75c45f75e1d1af4ac9a6ab328917737156739

mobile/android/config/proguard/proguard.cfg

@@ -43,6 +43,13 @@
    *** get*();
 }
 
+# Keep setters in support Fragment so that Robocop tests work,
+# specifically testBrowserSearchVisibility.
+-keepclassmembers public class * extends android.support.v4.app.Fragment {
+   void set*(***);
+   *** get*();
+}
+
 # Preserve enums. (For awful reasons, the runtime accesses them using introspection...)
 -keepclassmembers enum * {
      *;