The value is capped to INT_MAX to avoid overflow when queried with
glGetIntegerv().

Bug: angleproject:4554
Bug: angleproject:4788
Change-Id: I36d52fc608ef5adc2bc0b73e379db66cbfd9bb54
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2318046Reviewed-by: Mohan Maiya <m.maiya@samsung.com>
Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>