Change PeerConnectionFactory.setVideoHwAccelerationOptions to be able to replace Egl context.

webrtc/api/java/src/org/webrtc/PeerConnectionFactory.java

Index: webrtc/api/java/src/org/webrtc/PeerConnectionFactory.java
diff --git a/webrtc/api/java/src/org/webrtc/PeerConnectionFactory.java b/webrtc/api/java/src/org/webrtc/PeerConnectionFactory.java
index 51e593e655f9b97a0833ed2191219a9783a942d3..17fc7ab8e86a90786ba919487cc1d0e4df1cbfa8 100644
--- a/webrtc/api/java/src/org/webrtc/PeerConnectionFactory.java
+++ b/webrtc/api/java/src/org/webrtc/PeerConnectionFactory.java
@@ -171,8 +171,13 @@ public class PeerConnectionFactory {
    */
   public void setVideoHwAccelerationOptions(EglBase.Context localEglContext,
       EglBase.Context remoteEglContext) {
-    if (localEglbase != null || remoteEglbase != null) {
-      throw new IllegalStateException("Egl context already set.");
+    if (localEglbase != null) {
+      Logging.w(TAG, "Egl context already set.");
+      localEglbase.release();
+    }
+    if (remoteEglbase != null) {
+      Logging.w(TAG, "Egl context already set.");
+      remoteEglbase.release();
     }
     localEglbase = EglBase.create(localEglContext);
     remoteEglbase = EglBase.create(remoteEglContext);