This is helpful for figuring out if we can support the DEBUG property when initializing an EGL context. It also will be necessary down the line for Android. Bug: angleproject:4596 Bug: b/154921118 Bug: angleproject:4606 Change-Id: I01c2cbaa21495e3620b7858f2a309c9a884033ec Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2176277 Commit-Queue: Jamie Madill <jmadill@chromium.org> Reviewed-by:Courtney Goeltzenleuchter <courtneygo@google.com>