[v8.x backport] doc: fix/add link to Android info
Checklist
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make -j4 test
(UNIX), orvcbuild test
(Windows) passes -
documentation is changed or added -
commit message follows commit guidelines
Backport of #19004
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
make -j4 test
(UNIX), or vcbuild test
(Windows) passesBackport of #19004