Shipping_api_level in build.

Add shipping API level to build, so that we can move
certain tests to build time.

Bug: 340953047
Test: works in init for build time host checks
Change-Id: Ic89066c2b49089da3113a1afef1d39de53b307d9
diff --git a/android/config.go b/android/config.go
index 6007451..bb49c9f 100644
--- a/android/config.go
+++ b/android/config.go
@@ -1916,10 +1916,10 @@
 }
 
 func (c *deviceConfig) ShippingApiLevel() ApiLevel {
-	if c.config.productVariables.ShippingApiLevel == nil {
+	if c.config.productVariables.Shipping_api_level == nil {
 		return NoneApiLevel
 	}
-	apiLevel, _ := strconv.Atoi(*c.config.productVariables.ShippingApiLevel)
+	apiLevel, _ := strconv.Atoi(*c.config.productVariables.Shipping_api_level)
 	return uncheckedFinalApiLevel(apiLevel)
 }