Test: git show while file opened in vim
This keeps "git show" from showing my swap files as untracked files.
Change-Id: I5f17bdbd1fda22823a9356445db5bc4a7dd279d9
Historically the .idea directory was created in the root of the
checkout. Now we generate the .idea directory in frameworks/base, so we
need to start ignoring it here.
Test: git status
Change-Id: I9b8142768173f3db153fda494f0c49697b703a38