Make the enabled property configurable

This allows using select statements with it.

Bug: 323382414
Test: m nothing --no-skip-soong-tests
Change-Id: I6f3efaaa3d82505e38a91ee4ba0e18e404360191
Merged-In: If355d24506e3f117d27b21442a6c02bca3402dc7

genrule/genrule.go

@@ -299,7 +299,7 @@ func (g *Module) generateCommonBuildActions(ctx android.ModuleContext) {
 				case android.HostToolProvider:
 					// A HostToolProvider provides the path to a tool, which will be copied
 					// into the sandbox.
-					if !t.(android.Module).Enabled() {
+					if !t.(android.Module).Enabled(ctx) {
 						if ctx.Config().AllowMissingDependencies() {
 							ctx.AddMissingDependencies([]string{tool})
 						} else {