Change IME picker dialog from Activity to Broadcast

Change-Id: I4822899f34a2951d2f2a1258d1adcc7d8fccbb12
diff --git a/services/java/com/android/server/InputMethodManagerService.java b/services/java/com/android/server/InputMethodManagerService.java
index 2d55433..18d393f 100644
--- a/services/java/com/android/server/InputMethodManagerService.java
+++ b/services/java/com/android/server/InputMethodManagerService.java
@@ -531,10 +531,7 @@
         mImeSwitcherNotification.sound = null;
         mImeSwitcherNotification.vibrate = null;
         Intent intent = new Intent(Settings.ACTION_SHOW_INPUT_METHOD_PICKER);
-        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK
-                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED
-                | Intent.FLAG_ACTIVITY_CLEAR_TOP);
-        mImeSwitchPendingIntent = PendingIntent.getActivity(mContext, 0, intent, 0);
+        mImeSwitchPendingIntent = PendingIntent.getBroadcast(mContext, 0, intent, 0);
         mShowOngoingImeSwitcherForPhones = mRes.getBoolean(
                 com.android.internal.R.bool.show_ongoing_ime_switcher);