Bug: 109748616
Test: ./updater.sh check kotlinc googletest --json_output=/tmp/res.json
Test: out/soong/host/linux-x86/bin/external_updater_notifier \
          --result_file=/tmp/res.json \
          --history ~/updater/history \
          --recipients=hhb@google.com

Change-Id: I27a4c1c2604d38106a08ce3eee1bcd03fdce80d7