Revert "Fix compiling errors in P"

* A proper fix will be used instead

This reverts commit c4f92dd33b72fe8af5664dc589e07c9fb15efc3e.

Change-Id: I04c9f9d9e05cfc7942eea46ab56f7f94510ba63e
diff --git a/src/com/android/gallery3d/glrenderer/BitmapTexture.java b/src/com/android/gallery3d/glrenderer/BitmapTexture.java
index b81722b..100b0b3 100644
--- a/src/com/android/gallery3d/glrenderer/BitmapTexture.java
+++ b/src/com/android/gallery3d/glrenderer/BitmapTexture.java
@@ -18,7 +18,7 @@
 
 import android.graphics.Bitmap;
 
-//import junit.framework.Assert;
+import junit.framework.Assert;
 
 // BitmapTexture is a texture whose content is specified by a fixed Bitmap.
 //
@@ -34,7 +34,7 @@
 
     public BitmapTexture(Bitmap bitmap, boolean hasBorder) {
         super(hasBorder);
-        //Assert.assertTrue(bitmap != null && !bitmap.isRecycled());
+        Assert.assertTrue(bitmap != null && !bitmap.isRecycled());
         mContentBitmap = bitmap;
     }
 
diff --git a/src/com/android/gallery3d/glrenderer/GLES11Canvas.java b/src/com/android/gallery3d/glrenderer/GLES11Canvas.java
index 4e6437b..38ee50a 100755
--- a/src/com/android/gallery3d/glrenderer/GLES11Canvas.java
+++ b/src/com/android/gallery3d/glrenderer/GLES11Canvas.java
@@ -28,7 +28,7 @@
 import com.android.gallery3d.common.Utils;
 import com.android.gallery3d.util.IntArray;
 
-//import junit.framework.Assert;
+import junit.framework.Assert;
 
 import java.nio.Buffer;
 import java.nio.ByteBuffer;
@@ -127,7 +127,7 @@
 
     @Override
     public void setSize(int width, int height) {
-        //Assert.assertTrue(width >= 0 && height >= 0);
+        Assert.assertTrue(width >= 0 && height >= 0);
 
         if (mTargetTexture == null) {
             mScreenWidth = width;
@@ -155,7 +155,7 @@
 
     @Override
     public void setAlpha(float alpha) {
-        //Assert.assertTrue(alpha >= 0 && alpha <= 1);
+        Assert.assertTrue(alpha >= 0 && alpha <= 1);
         mAlpha = alpha;
     }
 
@@ -166,7 +166,7 @@
 
     @Override
     public void multiplyAlpha(float alpha) {
-        //Assert.assertTrue(alpha >= 0 && alpha <= 1);
+        Assert.assertTrue(alpha >= 0 && alpha <= 1);
         mAlpha *= alpha;
     }
 
diff --git a/src/com/android/gallery3d/glrenderer/GLPaint.java b/src/com/android/gallery3d/glrenderer/GLPaint.java
index 89b9d59..16b2206 100644
--- a/src/com/android/gallery3d/glrenderer/GLPaint.java
+++ b/src/com/android/gallery3d/glrenderer/GLPaint.java
@@ -16,7 +16,7 @@
 
 package com.android.gallery3d.glrenderer;
 
-//import junit.framework.Assert;
+import junit.framework.Assert;
 
 public class GLPaint {
     private float mLineWidth = 1f;
@@ -31,7 +31,7 @@
     }
 
     public void setLineWidth(float width) {
-        //Assert.assertTrue(width >= 0);
+        Assert.assertTrue(width >= 0);
         mLineWidth = width;
     }
 
diff --git a/src/com/android/gallery3d/glrenderer/ResourceTexture.java b/src/com/android/gallery3d/glrenderer/ResourceTexture.java
index c760c72..eb8e8a5 100644
--- a/src/com/android/gallery3d/glrenderer/ResourceTexture.java
+++ b/src/com/android/gallery3d/glrenderer/ResourceTexture.java
@@ -20,7 +20,7 @@
 import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
 
-//import junit.framework.Assert;
+import junit.framework.Assert;
 
 // ResourceTexture is a texture whose Bitmap is decoded from a resource.
 // By default ResourceTexture is not opaque.
@@ -30,7 +30,7 @@
     protected final int mResId;
 
     public ResourceTexture(Context context, int resId) {
-        //Assert.assertNotNull(context);
+        Assert.assertNotNull(context);
         mContext = context;
         mResId = resId;
         setOpaque(false);
diff --git a/src/com/android/gallery3d/glrenderer/UploadedTexture.java b/src/com/android/gallery3d/glrenderer/UploadedTexture.java
index 52d40ca..fdbc563 100644
--- a/src/com/android/gallery3d/glrenderer/UploadedTexture.java
+++ b/src/com/android/gallery3d/glrenderer/UploadedTexture.java
@@ -20,7 +20,7 @@
 import android.graphics.Bitmap.Config;
 import android.opengl.GLUtils;
 
-//import junit.framework.Assert;
+import junit.framework.Assert;
 
 import java.util.HashMap;
 
@@ -145,7 +145,7 @@
     }
 
     private void freeBitmap() {
-        //Assert.assertTrue(mBitmap != null);
+        Assert.assertTrue(mBitmap != null);
         onFreeBitmap(mBitmap);
         mBitmap = null;
     }
@@ -229,7 +229,7 @@
                 int texWidth = getTextureWidth();
                 int texHeight = getTextureHeight();
 
-                //Assert.assertTrue(bWidth <= texWidth && bHeight <= texHeight);
+                Assert.assertTrue(bWidth <= texWidth && bHeight <= texHeight);
 
                 // Null pointer check here is to avoid monkey test failure.
                 if (canvas.getGLId() != null) {