Add a spec for EGL_ANDROID_framebuffer_target.

This change adds a new extension for EGL implementations to indicate the
EGLConfigs that support use as a HWComposer framebuffer target layer.

Change-Id: Ia7c8fbe8da09d57b4ec8bf1d9ddb67ca21aa2885
diff --git a/opengl/specs/README b/opengl/specs/README
index af3f165..eb86869 100644
--- a/opengl/specs/README
+++ b/opengl/specs/README
@@ -8,9 +8,10 @@
 ----------------     ----------------------------------
 0x3140               EGL_ANDROID_image_native_buffer
 0x3141               (unused)
-0x3142               EGL_ANDROID_recordable
+0x3142               EGL_RECORDABLE_ANDROID (EGL_ANDROID_recordable)
 0x3143               EGL_VERSION_HW_ANDROID (internal use)
-0x3144               EGL_SYNC_ANDROID_FENCE_ANDROID
-0x3145               EGL_SYNC_FENCE_FD_ANDROID
-0x3146               EGL_SYNC_ANDROID_FENCE_SIGNALED_ANDROID
-0x3147 - 0x314F      (unused)
+0x3144               EGL_SYNC_NATIVE_FENCE_ANDROID (EGL_ANDROID_native_fence_sync)
+0x3145               EGL_SYNC_NATIVE_FENCE_FD_ANDROID (EGL_ANDROID_native_fence_sync)
+0x3146               EGL_SYNC_NATIVE_FENCE_SIGNALED_ANDROID (EGL_ANDROID_native_fence_sync)
+0x3147               EGL_FRAMEBUFFER_TARGET_ANDROID (EGL_ANDROID_framebuffer_target)
+0x3148 - 0x314F      (unused)