VideoCapturerAndroid: Report onFirstFrameAvailable() for textures as well

webrtc/api/java/android/org/webrtc/VideoCapturerAndroid.java

Index: webrtc/api/java/android/org/webrtc/VideoCapturerAndroid.java
diff --git a/webrtc/api/java/android/org/webrtc/VideoCapturerAndroid.java b/webrtc/api/java/android/org/webrtc/VideoCapturerAndroid.java
index 0ae03cab8eb1ebea68fd5c2cbc6823efefcca187..1c3d2367247efddaaed6a28e2711330e6fdaa813 100644
--- a/webrtc/api/java/android/org/webrtc/VideoCapturerAndroid.java
+++ b/webrtc/api/java/android/org/webrtc/VideoCapturerAndroid.java
@@ -683,9 +683,13 @@ public class VideoCapturerAndroid implements
       return;
     }
     if (dropNextFrame)  {
-     surfaceHelper.returnTextureFrame();
-     dropNextFrame = false;
-     return;
+      surfaceHelper.returnTextureFrame();
+      dropNextFrame = false;
+      return;
+    }
+    if (eventsHandler != null && !firstFrameReported) {
+      eventsHandler.onFirstFrameAvailable();
+      firstFrameReported = true;
     }
 
     int rotation = getFrameOrientation();