refactor: migrate BuildConfig to Gradle build files

app/build.gradle

@@ -87,6 +87,7 @@ android {
         viewBinding true
         compose true
         aidl true
+        buildConfig true
     }
     composeOptions {
         kotlinCompilerExtensionVersion = "1.5.8"

gradle.properties

@@ -34,6 +34,5 @@ kotlin.code.style=official
 
 # Disable build features that are enabled by default,
 # https://developer.android.com/build/releases/gradle-plugin#default-changes
-android.defaults.buildfeatures.buildconfig=true
 android.nonTransitiveRClass=false
 android.nonFinalResIds=false