Release 4.9.0

[langsmith]

Pre-release checklist

• Update this repo's README.md file
• Change version name to 4.9.0-alpha.1 in this repo's gradle.properties (removing -SNAPSHOT)
• Publish 4.9.0-alpha.1 artifact to Maven Central
• Change version name back to having -SNAPSHOT at the end
• Update this repo's CHANGELOG.md
• Create a new release in Github with a release title of Mapbox Java SDK v4.9.0-alpha.1 and a tag version of v4.9.0-alpha.1

Pre-release testing

• Create a pull request in /mapbox-gl-native that updates the Mapbox Maps SDK for Android's Java SDK dependency to 4.9.0-alpha.1
• Create a pull request in the Mapbox Navigation SDK for Android repo that updates the Nav SDK's Java SDK dependency to 4.9.0-alpha.1
• Report any regressions on this ticket

Final 4.9.0 release checklist

• Update this repo's README.md file
• Change version name to 4.9.0 in gradle.properties (removing -SNAPSHOT)
• Publish 4.9.0 artifact to Maven Central
• Change version name back to having -SNAPSHOT at the end
• Update CHANGELOG.md
• Create a new release in Github with a release title of Mapbox Java SDK v4.9.0 and a tag version of v4.9.0
• Update dependencies in the Maps SDK and Navigation SDK to the final release version

Post final release

• Update the dependencies file in the Mapbox Android Plugins /mapbox-plugins-android repo
• Update version # in config files in the /help repo
• Update the Mapox Android demo app
• After updating the demo app, make the following changes in the /android-docs repo:
  • Update API reference Javadocs for the Mapbox Java docs section in /android-docs repo:
  • Update the JAVA_SDK_VERSION constant in the constants.js file in the /android-docs repo
• Update version # in the Studio Preview for Android app
• Update version # in the China plugin test app

/cc: @mapbox/android

[langsmith]

Closing because we're done here. Will let @Guardiola31337 and other Android nav folks run with mapbox/mapbox-navigation-android#2043 when they see fit.