Adds private EGL extension to create an EGLClientBuffer from a gralloc'd buffer.  This lets you create a color EGLimage backed by gralloc, which is needed to support protected textures.

Bug: 22775237
Bug: 22855417

Change-Id: I8e03061d74a74a8fdd6524ffa97a6c75a6ced89c
diff --git a/opengl/libs/EGL/egl_entries.in b/opengl/libs/EGL/egl_entries.in
index 498b2fc..2b56718 100644
--- a/opengl/libs/EGL/egl_entries.in
+++ b/opengl/libs/EGL/egl_entries.in
@@ -80,6 +80,7 @@
 EGL_ENTRY(EGLBoolean, eglSetSwapRectangleANDROID, EGLDisplay, EGLSurface, EGLint, EGLint, EGLint, EGLint)
 EGL_ENTRY(EGLClientBuffer, eglGetRenderBufferANDROID, EGLDisplay, EGLSurface)
 EGL_ENTRY(EGLint, eglDupNativeFenceFDANDROID, EGLDisplay, EGLSyncKHR)
+EGL_ENTRY(EGLClientBuffer, eglCreateNativeClientBufferANDROID, const EGLint *)
 
 /* NVIDIA extensions */