Update KHR header to avoid compiler issue. Build was dying due to undefined symbol NDK_FPABI that was coming from include/KHR/khrplatform.h. Updating to latest eliminates the issue. Bug: angleproject:2411 Change-Id: I1896755e65b9a3afad6332caf0dd5d9b52cf2b28 Reviewed-on: https://chromium-review.googlesource.com/967235 Commit-Queue: Jamie Madill <jmadill@chromium.org> Reviewed-by: Jamie Madill <jmadill@chromium.org>