Adds to frame capture the ability to serialize a frame's pre-swap
GL state and store it in the binary data file
Adds to CaptureReplayTests the ability to compare its serialized GL
state with the serialized state pulled from the binary data file
Adds a serialization module that serializes framebuffers' GL states
and the contents of their color attachments
Adds checks to automation script so that it would skips tests that
do not produce the expected trace files
Adds exception handling to automation script so that it will not crash
when a replay build crashes

Bug: angleproject:4779
Change-Id: I40a02e018073749e79f0ddbfd3d4065745548f46
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2258295
Commit-Queue: Manh Nguyen <nguyenmh@google.com>
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Tim Van Patten <timvp@google.com>