GitLab

Move the const value kFirstDynamicTableIndex from hpack_decoder_tables.h
to http2_hpack_constants.h
Remove the TODO.

BUG=
Signed-off-by: Zhuoyu Qian <zhuoyu.qian@samsung.com>
Change-Id: I10ab0c08065414958c71aa8f9988464d0afd56d5
Reviewed-on: https://chromium-review.googlesource.com/844407Reviewed-by: Bence Béky <bnc@chromium.org>
Cr-Commit-Position: refs/heads/master@{#526906}