Since we incur some kind of type confusion that stops us from properly
catching bad_alloc exceptions generated when compiled with exceptions
or when ANGLE is compiled with C++ exceptions, use catch-all clauses.

BUG=angle:634

Change-Id: I6d6efbf1fc7a4ebf8f13150b2814bfcd5edaad91
Reviewed-on: https://chromium-review.googlesource.com/198421Reviewed-by: Geoff Lang <geofflang@chromium.org>
Reviewed-by: Nicolas Capens <nicolascapens@chromium.org>
Tested-by: Jamie Madill <jmadill@chromium.org>