[Wifi coverage.sh] Correct the classfiles parameter

The previous change introduced a separate output directory for the
coverage run. When reporting, get the classfiles from there instead of
the usual place.

Bug: 140647378
Test: m clean && frameworks/opt/net/wifi/tests/wifitests/coverage.sh /tmp/cov
Change-Id: Ide6025684090b77cba122fdc8056a720112c6bea
1 file changed
tree: 5c1fa59351d74476b7459ac57c6f29e2b5907b37
  1. service/
  2. PREUPLOAD.cfg