UI: Extra content descriptions for screen readers #1245

Job	Run time
Build apps (Foss, Debug, app)	4m 46s
Unit tests (Debug, test)	2m 40s
Build apps (Gplay, Debug, app)	5m 10s
Unit tests (Debug, testFoss)	5m 10s
Lint vitals (Foss, Beta, app)	4m 54s
Unit tests (Debug, testGplay)	5m 19s
Lint vitals (Foss, Release, app)	5m 2s
Unit tests (Beta, test)	2m 38s
Lint vitals (Gplay, Beta, app)	5m 9s
Unit tests (Beta, testFoss)	6m 2s
Lint vitals (Gplay, Release, app)	5m 11s
Unit tests (Beta, testGplay)	5m 7s
Unit tests (Release, test)	2m 42s
Unit tests (Release, testFoss)	5m 8s
Unit tests (Release, testGplay)	5m 7s
	1h 10m 5s

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