Dist lint reports for apps

Dist the transitive lint report for each unbundled app built by Soong
when lint-check is on the command line.

Bug: 153485543
Test: m TARGET_BUILD_APPS=Gallery2 lint-check dist
Change-Id: Icd2b6f884396fa5f743746099301c325ca82a324
Merged-In: Icd2b6f884396fa5f743746099301c325ca82a324
(cherry picked from commit b8429524)