Merge "Convert preview sdkVersion to int for target-api" into main

func rsFlags(ctx ModuleContext, flags Flags, properties *BaseCompilerProperties) Flags {

	targetApi := String(properties.Renderscript.Target_api)

	if targetApi == "" && ctx.useSdk() {

		switch ctx.sdkVersion() {

		case "current", "system_current", "test_current":

			// Nothing

		default:

			targetApi = android.GetNumericSdkVersion(ctx.sdkVersion())

		targetApiLevel := android.ApiLevelOrPanic(ctx, ctx.sdkVersion())

		if targetApiLevel.IsCurrent() || targetApiLevel.IsPreview() {

			// If the target level is current or preview, leave the 'target-api' unset.

			// This signals to llvm-rs-cc that the development API should be used.

		} else {

			targetApi = targetApiLevel.String()

		}

	}