Compressed formats are rejected earlier with
ValidateCopyTexImageParametersBase

Bug: angleproject:5731
Change-Id: I7809140af84f2c565008e211adf0f998a0e57e91
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2741580
Commit-Queue: Alexey Knyazev <lexa.knyazev@gmail.com>
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Geoff Lang <geofflang@chromium.org>