fix(android): Add FirstVoices preference to show on-screen keyboard 👁️

[darcywong00]

Follows #14539 in addressing #14533

This adds a FirstVoices app setting preference to show the on-screen keyboard while using physical keyboard.
Unlike the Keyman app, the FirstVoices app doesn't have an app-level Settings page. So I added the toggle to the "Setup" menu

Note to reviewers: the Android Studio IDE changed some whitespace, so you may want to review with ?w=1

User Testing

Setup - Install the PR build of FirstVoices for Android on an Android emulator of API 36.

Configure Gboard to display on-screen keyboard:
device Settings --> Keyboard --> On-screen keyboard --> click Gboard --> Physical keyboard --> Show on-screen keyboard to "on"
back to Gboard settings --> write in text fields --> Use stylus to write in text fields , set to "off"

Configure FirstVoices --> Select keyboards --> Region --> BC Coast --> Sencoten --> Enable keyboard
FirstVoices --> Setup --> enable FirstVoices and enable as the current input method

• TEST_PREFERENCE_OFF - Verifies FirstVoices OSK doesn't appear by default

1. Launch FirstVoices
2. Got to Setup --> verify "Show on-screen keyboard" has a default value off
3. Launch Chrome and select a text area
4. Verify the FirstVoices system OSK does not appear

• TEST_PREFERENCE_ON - Verifies FirstVoices OSK appears when "Show OSK" is on

1. Launch FirstVoices
2. Got to Setup --> set "Show on-screen keyboard" to on
3. Completely close the FirstVoices app
4. Launch Chrome and select a text area
5. If the system keyboard is Gboard, longpress the globe button to switch to FirstVoices system keyboard
6. Verify the FirstVoices system OSK appears
7. Verify the FirstVoices Sencoten keyboard and suggestion banner functions

[keymanapp-test-bot]

User Test Results

Test specification and instructions

• ✅ TEST_PREFERENCE_OFF (PASSED): notes (notes)
• ✅ TEST_PREFERENCE_ON (PASSED): notes (notes)

Test Artifacts

• Android
  • Keyman for Android apk
  • FirstVoices for Android 16.0 apk
  • FirstVoices Keyboards for Android apk
  • KeyboardHarness apk
  • Keyman for Android 16.0 apk
  • KMSample1 apk
  • KMSample2 apk

[Nnyny]

Test Results

Before testing:
- Install firstvoices-19.0.101.apk on API 36
- Go to Settings > System > On-screen keyboard > Gboard is on by default
- Go to Gboard setting > Write in text fields > turn off 'Use stylus to write in text fields'
- Go to FirstVoices > Select keyboards > BC Coast > Sencoten > turn on 'Enabled keyboard'
- Go back to FirstVoices welcome page > Setup> select 'Enabled FirstVoices' and 'Choose Firstvoices as current input method'

• TEST_PREFERENCE_OFF (PASSED): notes

1. Go to FirstVoices and verify that 'Show On-Screen Keyboard when physical keyboard is connected' is off
2. Go to Chrome and select on the text area
3. Confirm FirstVoices OSK doesn't show up

• TEST_PREFERENCE_ON (PASSED): notes

1. Go to FirstVoices and turn on 'Show On-Screen Keyboard when physical keyboard is connected'
2. Close the app and go to Chrome
3. Select the text area and confirm that FirstVoices Sencoten keyboard with predictive text shows up
4. Type the keyboard and dictionary, confirm it's functioning ok

[keyman-server]

Changes in this pull request will be available for download in Keyman version 19.0.103-alpha