Leakcanary - in progress

Disable InputMethodManager leak reporting

private RefWatcher install() {
        EnumSet<AndroidExcludedRefs> refs =
                EnumSet.of(AndroidExcludedRefs.SOFT_REFERENCES,
                        AndroidExcludedRefs.INPUT_METHOD_MANAGER__ROOT_VIEW);

        return LeakCanary.install(this, DisplayLeakService.class,
                AndroidExcludedRefs.createBuilder(refs).build());
    }