[Docs] Removes Gradle requirement for building Android APKs (#328)
[Docs] Removes Gradle requirement for building Android APKs (#328)

* Removed requirement to use Gradle for Android builds
* Missed period

Shopify/unity-buy-sdk,Shopify/unity-buy-sdk,Shopify/unity-buy-sdk,Shopify/unity-buy-sdk,Shopify/unity-buy-sdk,Shopify/unity-buy-sdk