Adds support for codec config flag to be passed to driver. This flag indicates that the buffer associated contains codec specific data. Signed-off-by: Praneeth Paladugu <ppaladug@codeaurora.org> (cherry picked from commit f4bd6a3fbdb5d70b7000cdceb811557876bb7953) Change-Id: Ib832872717adbc46bd186aa268eaa9cfa402313b Signed-off-by: Sudhir Sharma <sudsha@codeaurora.org>