pre-upload.py: simplify BUG and TEST checks

Modified get_description to return a string instead of a list.

TEST=Used this change to test. Tried with out TEST= and then without BUG=.
BUG=none

Change-Id: Ia2c40e07fa23ed4cf43d042f5dd212f716d09073
1 file changed
tree: 0d14a676cf2d4fcb7409ccdb4fbc7a6c400b0562
  1. checkpatch.pl
  2. pre-upload.py