In Bromite through 78.0.3904.130, there are adblock rules in the release APK; therefore, probing which resources are blocked and which aren't can identify the application version and defeat the User-Agent protection mechanism.
{ "versions": [ { "introduced": "0" }, { "last_affected": "78.0.3904.130" } ] }
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2019-25056.json"