Session based capturing for Camera2Capturer.

webrtc/base/java/src/org/webrtc/ThreadUtils.java

Index: webrtc/base/java/src/org/webrtc/ThreadUtils.java
diff --git a/webrtc/base/java/src/org/webrtc/ThreadUtils.java b/webrtc/base/java/src/org/webrtc/ThreadUtils.java
index 95d41ba56337d646877781bfc19edb3b6f96e298..cf814b0f536bccfda6232bf963f385dc4a6af05e 100644
--- a/webrtc/base/java/src/org/webrtc/ThreadUtils.java
+++ b/webrtc/base/java/src/org/webrtc/ThreadUtils.java
@@ -136,6 +136,15 @@ public class ThreadUtils {
     return result;
   }
 
+  public static void waitUninterruptibly(final Object object) {
+    executeUninterruptibly(new BlockingOperation() {
+      @Override
+      public void run() throws InterruptedException {
+        object.wait();
+      }
+    });
+  }
+
   /**
    * Post |callable| to |handler| and wait for the result.
    */