Fix wrapper equals()

Make it faster and correcter.

Also, fixed the "gen" script to update the static/egl/*.java files
as part of doing an update.  Altered the "git" lines to change
directories before invoking git -- necessary because we're now
split between frameworks/base and frameworks/native.

Bug 9204146

Change-Id: Ie60504b1932349e6f2c9d3868dee6a645ef2b36e
diff --git a/opengl/tools/glgen/gen b/opengl/tools/glgen/gen
index d236c1e..7146a29 100755
--- a/opengl/tools/glgen/gen
+++ b/opengl/tools/glgen/gen
@@ -32,10 +32,6 @@
 echo "package android.util; public class Log {public static void w(String a, String b) {} public static void e(String a, String b) {}}" > out/android/util/Log.java
 
 echo "package android.opengl; public abstract class EGLObjectHandle { public int getHandle() { return 0; } }" > out/android/opengl/EGLObjectHandle.java
-echo "package android.opengl; public class EGLSurface extends EGLObjectHandle {  }" > out/android/opengl/EGLSurface.java
-echo "package android.opengl; public class EGLContext extends EGLObjectHandle {  }" > out/android/opengl/EGLContext.java
-echo "package android.opengl; public class EGLDisplay extends EGLObjectHandle {  }" > out/android/opengl/EGLDisplay.java
-echo "package android.opengl; public class EGLConfig extends EGLObjectHandle {  }" > out/android/opengl/EGLConfig.java
 
 
 echo "package android.graphics;" > out/android/graphics/SurfaceTexture.java
@@ -47,6 +43,7 @@
 echo "package android.view;" > out/android/view/SurfaceHolder.java
 echo "public interface SurfaceHolder { Surface getSurface(); }" >> out/android/view/SurfaceHolder.java
 
+cp static/egl/*.java out/android/opengl/
 
 GLFILE=out/javax/microedition/khronos/opengles/GL.java
 cp stubs/jsr239/GLHeader.java-if $GLFILE
@@ -141,8 +138,8 @@
             echo
             SAID_PLEASE=1
         fi
-        echo "    " cp $2/$3 $1
-        echo "    " git add $1/$3
+        echo "    cp $2/$3 $1"
+        echo "    (cd $1; git add $3)"
         KEEP_GENERATED=1
     fi
 }
@@ -161,6 +158,11 @@
     compareGenerated ../../../../base/core/jni generated/C android_opengl_${x}.cpp
 done
 
+for x in EGLConfig EGLContext EGLDisplay EGLObjectHandle EGLSurface
+do
+    compareGenerated ../../../../base/opengl/java/android/opengl generated/android/opengl ${x}.java
+done
+
 if [ $KEEP_GENERATED == "0" ] ; then
     rm -rf generated
 fi