When INFO_FORMAT_CHANGED event comes in before the renderer was initialized, go back to read from source again

bug - 3264094

Change-Id: I291a9b09b335d0eb4acf91f992e59fc44bc57d01
diff --git a/media/libstagefright/AwesomePlayer.cpp b/media/libstagefright/AwesomePlayer.cpp
index 08cf515..7dbb145 100644
--- a/media/libstagefright/AwesomePlayer.cpp
+++ b/media/libstagefright/AwesomePlayer.cpp
@@ -1211,6 +1211,8 @@
                         }
 
                         // fall through
+                    } else {
+                        continue;
                     }
                 }