Session based capturing for Camera2Capturer.

webrtc/api/android/java/src/org/webrtc/CameraSession.java

Index: webrtc/api/android/java/src/org/webrtc/CameraSession.java
diff --git a/webrtc/api/android/java/src/org/webrtc/CameraEnumerator.java b/webrtc/api/android/java/src/org/webrtc/CameraSession.java
similarity index 56%
copy from webrtc/api/android/java/src/org/webrtc/CameraEnumerator.java
copy to webrtc/api/android/java/src/org/webrtc/CameraSession.java
index 752e10aed2fcfd9872d6df1900139922f07766bc..c6b73a8bf155dcaaf95ea71dd9f077a78a8446a7 100644
--- a/webrtc/api/android/java/src/org/webrtc/CameraEnumerator.java
+++ b/webrtc/api/android/java/src/org/webrtc/CameraSession.java
@@ -10,11 +10,15 @@
 
 package org.webrtc;
 
-public interface CameraEnumerator {
-  public String[] getDeviceNames();
-  public boolean isFrontFacing(String deviceName);
-  public boolean isBackFacing(String deviceName);
+public interface CameraSession {
+  public interface CreateSessionCallback {
+    void onDone(CameraSession session);
+    void onFailure(String error);
+  }
 
-  public CameraVideoCapturer createCapturer(String deviceName,
-      CameraVideoCapturer.CameraEventsHandler eventsHandler);
+  /**
+   * Stops the capture. Waits until no more calls to capture observer will be made.
+   * If waitCameraStop is true, also waits for the camera to stop.
+   */
+  void stop();
 }