Add override annotation to appropriate methods in Camera1Enumerator.

webrtc/api/java/android/org/webrtc/Camera1Enumerator.java

Index: webrtc/api/java/android/org/webrtc/Camera1Enumerator.java
diff --git a/webrtc/api/java/android/org/webrtc/Camera1Enumerator.java b/webrtc/api/java/android/org/webrtc/Camera1Enumerator.java
index a021da2dd67c7f972ab1b8ed44742518bc704197..8523bba33224e0099ae037e52d2011b72304eaa1 100644
--- a/webrtc/api/java/android/org/webrtc/Camera1Enumerator.java
+++ b/webrtc/api/java/android/org/webrtc/Camera1Enumerator.java
@@ -35,16 +35,29 @@ public class Camera1Enumerator implements CameraEnumerator {
     this.captureToTexture = captureToTexture;
   }
 
+  // Returns device names that can be used to create a new VideoCapturerAndroid.
+  @Override
+  public String[] getDeviceNames() {
+    String[] names = new String[android.hardware.Camera.getNumberOfCameras()];
+    for (int i = 0; i < android.hardware.Camera.getNumberOfCameras(); ++i) {
+      names[i] = getDeviceName(i);
+    }
+    return names;
+  }
+
+  @Override
   public boolean isFrontFacing(String deviceName) {
     android.hardware.Camera.CameraInfo info = getCameraInfo(getCameraIndex(deviceName));
     return info.facing == android.hardware.Camera.CameraInfo.CAMERA_FACING_FRONT;
   }
 
+  @Override
   public boolean isBackFacing(String deviceName) {
     android.hardware.Camera.CameraInfo info = getCameraInfo(getCameraIndex(deviceName));
     return info.facing == android.hardware.Camera.CameraInfo.CAMERA_FACING_BACK;
   }
 
+  @Override
   public CameraVideoCapturer createCapturer(String deviceName,
       CameraVideoCapturer.CameraEventsHandler eventsHandler) {
     return new VideoCapturerAndroid(deviceName, eventsHandler, captureToTexture);
@@ -134,15 +147,6 @@ public class Camera1Enumerator implements CameraEnumerator {
     return ranges;
   }
 
-  // Returns device names that can be used to create a new VideoCapturerAndroid.
-  public String[] getDeviceNames() {
-    String[] names = new String[android.hardware.Camera.getNumberOfCameras()];
-    for (int i = 0; i < android.hardware.Camera.getNumberOfCameras(); ++i) {
-      names[i] = getDeviceName(i);
-    }
-    return names;
-  }
-
   // Returns the camera index for camera with name |deviceName|, or throws IllegalArgumentException
   // if no such camera can be found.
   static int getCameraIndex(String deviceName) {