egl: android: query native window default width and height

On android platform, the width and height of a native window surface may
be updated after initialization. It is therefore necessary to query android
framework for the current width and height.

BUG=chrome-os-partner:55706
TEST=dEQP-EGL.functional.resize.surface_size#* on cyan-cheets

Change-Id: Iebcc38ef725c1be28eaa79b523470e87573b282f
Reviewed-on: https://chromium-review.googlesource.com/364341
Commit-Ready: Haixia Shi <hshi@chromium.org>
Tested-by: Haixia Shi <hshi@chromium.org>
Reviewed-by: Ilja H. Friedel <ihf@chromium.org>
Reviewed-by: Tomasz Figa <tfiga@chromium.org>
3 files changed