Rename SubSettingLauncher.setTitle, add java doc

For make this method usage more clear,
setTitle(charSequence) rename as setTitleText,
add java doc: it is only for user generated string
setTitle(int) rename as setTitleRes.

Change-Id: I972cb6a8ff90873dfdc25c23f6dc3d68103c8e4e
Fixes: 78347436
Test: make RunSettingsRoboTests
diff --git a/src/com/android/settings/MasterClear.java b/src/com/android/settings/MasterClear.java
index 22356cc..a1f836b 100644
--- a/src/com/android/settings/MasterClear.java
+++ b/src/com/android/settings/MasterClear.java
@@ -161,7 +161,7 @@
         new SubSettingLauncher(getContext())
                 .setDestination(MasterClearConfirm.class.getName())
                 .setArguments(args)
-                .setTitle(R.string.master_clear_confirm_title)
+                .setTitleRes(R.string.master_clear_confirm_title)
                 .setSourceMetricsCategory(getMetricsCategory())
                 .launch();
     }