Rework to use launcher wrapper from libqtappfw
Switch to using the new app launcher API wrapper from libqtappfw in
order to migrate to the new gRPC based API implementation. As well,
the copyright headers in the source files have been tweaked to remove
the Apache license boilerplate in favour of a SPDX license tag.
Bug-AGL: SPEC-4559
Signed-off-by: Scott Murray <scott.murray@konsulko.com>
Change-Id: I62cd0a51e9c97b1db3d86ca67b7c92d086d2f1c9
(cherry picked from commit
5e828161fc1571323e2812a344f6714ae9331b2c)