Don't truncate ${USER} when generating ro.build.fingerprint

We have removed the 92 character limit on ro.build.fingerprint, so
there is no longer a reason to truncate ${USER} when generating
fingerprints.

Bug: 34954705
Test: boot bullhead and observe non-truncated username
Change-Id: If79bf1d5372f709c9c1725f860bc61b99e830751
1 file changed