[Android] Eliminate the need for the ReportIME activity. We can just add a listener for the preference within InputPreferenceFragment.
[Android] Remove the need for IMEActivity. We can also do this within InputPreferenceFragment.
[Android] Remove the need for RefreshRateSetOS. This can be done with a preference listener within VideoPreferenceFragment.
[Android] Remove R.java and BuildConfig.java from the appcompat lib. These are generated files, so there's no need to keep them in the repo. They will be regenerated upon builds.
Merge pull request #343 from lioncash/master

[Android] Eliminate the need for several activities.