AArch64: Make eglGetDisplay(int) work for EGL_DEFAULT_DISPLAY

Note that files changed in this patch have been automatically
generated by running frameworks/native/opengl/tools/glgen/gen
script

This will allow eglGetDisplay(int) to work on both 32-bit and
64-bit systems when EGL_DEFAULT_DISPLAY is passed as a parameter.

Change-Id: Idf27d6e00d623d331bb2d4d7f85fa450e0db26c9
Signed-off-by: Ashok Bhat <ashok.bhat@arm.com>