Select supports product_variable("debuggable")

Bug: N/A
Test: run soong test with the next change
Change-Id: Id7a83961dc9f47191135219f0cea2c02b64a1666
diff --git a/android/module.go b/android/module.go
index d4e4c2d..c17f315 100644
--- a/android/module.go
+++ b/android/module.go
@@ -2161,9 +2161,19 @@
 		}
 		return proptools.ConfigurableValueUndefined()
 	case "product_variable":
-		// TODO(b/323382414): Might add these on a case-by-case basis
-		ctx.OtherModulePropertyErrorf(m, property, "TODO(b/323382414): Product variables are not yet supported in selects")
-		return proptools.ConfigurableValueUndefined()
+		if condition.NumArgs() != 1 {
+			ctx.OtherModulePropertyErrorf(m, property, "product_variable requires 1 argument, found %d", condition.NumArgs())
+			return proptools.ConfigurableValueUndefined()
+		}
+		variable := condition.Arg(0)
+		switch variable {
+		case "debuggable":
+			return proptools.ConfigurableValueBool(ctx.Config().Debuggable())
+		default:
+			// TODO(b/323382414): Might add these on a case-by-case basis
+			ctx.OtherModulePropertyErrorf(m, property, fmt.Sprintf("TODO(b/323382414): Product variable %q is not yet supported in selects", variable))
+			return proptools.ConfigurableValueUndefined()
+		}
 	case "soong_config_variable":
 		if condition.NumArgs() != 2 {
 			ctx.OtherModulePropertyErrorf(m, property, "soong_config_variable requires 2 arguments, found %d", condition.NumArgs())