How to read a property from local.properties file.

build.gradle.kts

android {
	namespace = ""
	compileSdk = 34

	defaultConfig {
		applicationId = ""
		minSdk = 21
		targetSdk = 34
		versionCode = 1
		versionName = "1.0"

		testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"

		val properties = Properties().apply {
			load(rootProject.file("local.properties").inputStream())
		}
		resValue("string", "GoogleMapsApiKey", properties["GoogleMapsApiKey"] as String)
	}
}