Android feature parity

[joemasilotti]

Everything but the preview/demo app and in-app purchases, for now.

[anandmanu]

Comment to post on #63

Following up from our email thread — confirming what we're seeing on Intu AI
(app_dcivvkkp), in case it's useful for the Android parity work:

✅ Resolved in v0.10.9 (thank you!):

• [data-native-app] attribute injection on Android.
• Microphone bridging on Android (our Explain Back voice flow).

We'll bump to 0.10.9 and drop our temporary UA shims once validated on-device.

Tab icons still blank on Android — likely a config-backfill issue:

The native shell reads each tab's flat icon field, but the gem backfills that flat
field from icons.ios (the SF Symbol name, e.g. house), which Android can't render →
blank icons. Our config carries correct Material names under icons.android
(home, chat_bubble, menu_book, description, more_horiz), so we currently work
around it by rewriting the flat icon per requesting UA in ConfigController#show.

Suggested fix: have the flat-icon backfill prefer icons.<requesting_platform> over
always falling back to icons.ios.

Happy to share our ruby_native.yml + the monkey-patch if helpful.

[joemasilotti]

Thanks @anandmanu! Confirmed bug, fix incoming.