Revert "Add option to print peer connection factory Java stack traces."

This reverts commit b68c5995d1ac84866da45a4ecbb180d8c704ad90.

Reason for reverting: It breaks some Android32 bots.

TBR=glaznev@google.com

Review URL: https://codereview.webrtc.org/1399473003 .

Cr-Commit-Position: refs/heads/master@{#10239}

talk/app/webrtc/java/android/org/webrtc/VideoCapturerAndroid.java

@@ -35,6 +35,7 @@ import android.opengl.EGLContext;
 import android.os.Handler;
 import android.os.HandlerThread;
 import android.os.SystemClock;
+import android.text.StaticLayout;
 import android.view.Surface;
 import android.view.WindowManager;
 
@@ -216,18 +217,6 @@ public class VideoCapturerAndroid extends VideoCapturer implements PreviewCallba
     return capturer;
   }
 
-  public void printStackTrace() {
-    if (cameraThread != null) {
-      StackTraceElement[] cameraStackTraces = cameraThread.getStackTrace();
-      if (cameraStackTraces.length > 0) {
-        Logging.d(TAG, "VideoCapturerAndroid stacks trace:");
-        for (StackTraceElement stackTrace : cameraStackTraces) {
-          Logging.d(TAG, stackTrace.toString());
-        }
-      }
-    }
-  }
-
   // Switch camera to the next valid camera id. This can only be called while
   // the camera is running.
   public void switchCamera(final CameraSwitchHandler handler) {

talk/app/webrtc/java/android/org/webrtc/VideoRendererGui.java

@@ -36,10 +36,12 @@ import javax.microedition.khronos.opengles.GL10;
 import android.annotation.SuppressLint;
 import android.graphics.Point;
 import android.graphics.Rect;
+import android.graphics.SurfaceTexture;
 import android.opengl.EGL14;
 import android.opengl.EGLContext;
 import android.opengl.GLES20;
 import android.opengl.GLSurfaceView;
+import android.opengl.Matrix;
 
 import org.webrtc.Logging;
 import org.webrtc.VideoRenderer.I420Frame;
@@ -75,9 +77,6 @@ public class VideoRendererGui implements GLSurfaceView.Renderer {
   // Current SDK version.
   private static final int CURRENT_SDK_VERSION =
       android.os.Build.VERSION.SDK_INT;
-  // Render and draw threads.
-  private static Thread renderFrameThread;
-  private static Thread drawThread;
 
   private VideoRendererGui(GLSurfaceView surface) {
     this.surface = surface;
@@ -373,9 +372,6 @@ public class VideoRendererGui implements GLSurfaceView.Renderer {
         VideoRenderer.renderFrameDone(frame);
         return;
       }
-      if (renderFrameThread == null) {
-        renderFrameThread = Thread.currentThread();
-      }
       if (!seenFrame && rendererEvents != null) {
         Logging.d(TAG, "ID: " + id + ". Reporting first rendered frame.");
         rendererEvents.onFirstFrameRendered();
@@ -398,7 +394,6 @@ public class VideoRendererGui implements GLSurfaceView.Renderer {
           // Skip rendering of this frame if previous frame was not rendered yet.
           framesDropped++;
           VideoRenderer.renderFrameDone(frame);
-          seenFrame = true;
           return;
         }
         pendingFrame = frame;
@@ -435,8 +430,6 @@ public class VideoRendererGui implements GLSurfaceView.Renderer {
       }
       instance.yuvImageRenderers.clear();
     }
-    renderFrameThread = null;
-    drawThread = null;
     instance.surface = null;
     eglContext = null;
     eglContextReady = null;
@@ -572,26 +565,6 @@ public class VideoRendererGui implements GLSurfaceView.Renderer {
     }
   }
 
-  private static void printStackTrace(Thread thread, String threadName) {
-    if (thread != null) {
-      StackTraceElement[] stackTraces = thread.getStackTrace();
-      if (stackTraces.length > 0) {
-        Logging.d(TAG, threadName + " stacks trace:");
-        for (StackTraceElement stackTrace : stackTraces) {
-          Logging.d(TAG, stackTrace.toString());
-        }
-      }
-    }
-  }
-
-  public static synchronized void printStackTraces() {
-    if (instance == null) {
-      return;
-    }
-    printStackTrace(renderFrameThread, "Render frame thread");
-    printStackTrace(drawThread, "Draw thread");
-  }
-
   @SuppressLint("NewApi")
   @Override
   public void onSurfaceCreated(GL10 unused, EGLConfig config) {
@@ -640,9 +613,6 @@ public class VideoRendererGui implements GLSurfaceView.Renderer {
 
   @Override
   public void onDrawFrame(GL10 unused) {
-    if (drawThread == null) {
-      drawThread = Thread.currentThread();
-    }
     GLES20.glViewport(0, 0, screenWidth, screenHeight);
     GLES20.glClear(GLES20.GL_COLOR_BUFFER_BIT);
     synchronized (yuvImageRenderers) {