This CL does the following:
* Skip calls from KHR_debug and EXT_debug_marker
* Update an assert in setDeletedBuffer
* Warn when capturing an invalid call

Test: Capture first 2000 frames of PUBG:Mobile
Bug: b/165824228
Bug: angleproject:4048
Change-Id: Ib7fa616a1b5c8ed7c83daaaf0779b41acd31a7f0
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2366828
Commit-Queue: Cody Northrop <cnorthrop@google.com>
Reviewed-by: Jamie Madill <jmadill@chromium.org>