This is non-functional change to have all HttpHelper
members in a single place (HttpHelper.cpp).
Clang-format is applied and FileUtil::Stat is used
instead of a naked stat(2).
Change-Id: I663e2eb3070e873bd1f4477b60e45b0086d29f4e
Signed-off-by: Ashod Nakashian <ashod.nakashian@collabora.co.uk>