Go Launcher: Fix icon placement retention

We need dbFile set when MULTI_DB_GRID_MIRATION_ALGO is in
use.  This was set for other launchers, but not the Go launcher.

Bug: 157557047
Test: Built, flashed, moved icons on home screen, rebooted, and confirmed icons retained their position.
Change-Id: Icfcb56e00a8ac2f74e5f7a1957fd46cee5cb8b5b
1 file changed