Settings: use ActivityManager method for requesting bug report

This let's ActivityManagerService handle all the logic for requesting
bug reports.

Ticket: CYNGNOS-2329
Change-Id: I44e6a9295a0625bcdc0f3a22daf097bdccf0d3c4
Signed-off-by: Roman Birg <roman@cyngn.com>
(cherry picked from commit 3d56d117)
(cherry picked from commit 952b0d9a)
(cherry picked from commit 8b7fda7b)