Change USAP name to application name as soon as possible.

This patch changes the location where the process's name is changed to
that of the application being launched.  It also attempts to use the
package name if the "nice name" is missing.

Test: m & flash & boot
Change-Id: Id3a3d0b2b66d31c48274f8a986e86e9ed1d28f34
Merged-In: Id3a3d0b2b66d31c48274f8a986e86e9ed1d28f34
(cherry picked from commit 6d00c1ab)