Open files with mode 'r' instead of 'rb' so the hash calculation
produces the same results on Linux and Windows.
Recalculate the hashes and proc_table_autogen.cpp which was out of date.

BUG=angleproject:2711

Change-Id: I31562c96ce36e6df009c44c565fe9a3f1b5ba6c4
Reviewed-on: https://chromium-review.googlesource.com/1128549Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Frank Henigman <fjhenigman@chromium.org>