Use the correct inner variable name
Banner display wasn't working, which also broke the siteNotice div and
CentralNotice.
Bug: T102041
Change-Id: Ic9d6178dbdb71e7758c5d4519c7e4edd321b794d
(cherry picked from commit cc8cc9b0c8db0385dc17d3b624c7607b1d81de2d)