Generate new EGLExt class

Initially populated with EGL_ANDROID_presentation_time (moved from the
EGL14 class) and the ES-relevant parts of EGL_KHR_create_context.

Bug: 8678160
Change-Id: Ifed2ee3da264ca701ae1f4b309a0758f7fcc3acc
diff --git a/opengl/tools/glgen/gen b/opengl/tools/glgen/gen
index 29212c0..d236c1e 100755
--- a/opengl/tools/glgen/gen
+++ b/opengl/tools/glgen/gen
@@ -96,6 +96,7 @@
 pushd out > /dev/null
 mkdir classes
 javac -d classes    android/opengl/EGL14.java \
+                    android/opengl/EGLExt.java \
                     com/google/android/gles_jni/GLImpl.java \
                     javax/microedition/khronos/opengles/GL10.java \
                     javax/microedition/khronos/opengles/GL10Ext.java \
@@ -154,7 +155,7 @@
     compareGenerated ../../../../base/opengl/java/javax/microedition/khronos/opengles generated/javax/microedition/khronos/opengles $x
 done
 
-for x in EGL14 GLES10 GLES10Ext GLES11 GLES11Ext GLES20 GLES30
+for x in EGL14 EGLExt GLES10 GLES10Ext GLES11 GLES11Ext GLES20 GLES30
 do
     compareGenerated ../../../../base/opengl/java/android/opengl generated/android/opengl ${x}.java
     compareGenerated ../../../../base/core/jni generated/C android_opengl_${x}.cpp