Add preset configuration files for the Radio app for CES and ALS
locations, and commands to install the one selected with a new variable,
AGL_RADIO_PRESETS_LOCALE. The default is to use the presets appropriate
for CES.
Change-Id: I9b278e1c983de16898fc71329afe7c6ba58e9b52 Signed-off-by: Scott Murray <scott.murray@konsulko.com>