[android] - add paused state to map renderer, don't render snapshot when paused (#11358)

platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/renderer/MapRenderer.java

@@ -37,11 +37,11 @@ public abstract class MapRenderer implements MapRendererScheduler {
   }
 
   public void onPause() {
-    // Implement if needed
+    nativeOnPause();
   }
 
   public void onResume() {
-    // Implement if needed
+    nativeOnResume();
   }
 
   public void onStop() {
@@ -124,6 +124,10 @@ public abstract class MapRenderer implements MapRendererScheduler {
 
   private native void nativeRender();
 
+  private native void nativeOnResume();
+
+  private native void nativeOnPause();
+
   private long frames;
   private long timeElapsed;