Avoid direct access to Native_bridge_supported property

Bug: 195754365
Test: m nothing
Change-Id: If7557187400be36b6c36116c61634449da6529a3
diff --git a/android/arch.go b/android/arch.go
index f7eb963..ddc082b 100644
--- a/android/arch.go
+++ b/android/arch.go
@@ -631,8 +631,7 @@
 	image := base.commonProperties.ImageVariation
 	// Filter NativeBridge targets unless they are explicitly supported.
 	// Skip creating native bridge variants for non-core modules.
-	if os == Android &&
-		!(Bool(base.commonProperties.Native_bridge_supported) && image == CoreVariation) {
+	if os == Android && !(base.IsNativeBridgeSupported() && image == CoreVariation) {
 
 		var targets []Target
 		for _, t := range osTargets {