Revert "Ensure that CommandQueue is a singleton."

This reverts commit 50cb05b446.

Reason for revert: <INSERT REASONING HERE>

Change-Id: I2d7b483b0943668b14eec9775f3dd495bbdf10e3

packages/SystemUI/src/com/android/systemui/statusbar/StatusBarDependenciesModule.java

@@ -30,7 +30,6 @@ public class StatusBarDependenciesModule {
      * Provides our instance of CommandQueue which is considered optional.
      */
     @Provides
-    @Singleton
     public CommandQueue provideCommandQueue(Context context) {
         return new CommandQueue(context);
     }