make path explicit when running imgdiff

The build servers don't run "lunch" before building, so they don't
have the same path as everyone else.  Explicitly set it when running
imgdiff.
1 file changed
tree: eb84eca6173df73652aef86714e9322b26f396df
  1. core/
  2. libs/
  3. target/
  4. tools/
  5. buildspec.mk.default
  6. cleanspec.mk
  7. envsetup.sh