Make debugging easier:

- Add the -N -l command line arguments to Microfactory
- Pass the the Delve arguments to the primary builder on the command line

Test: Manual.

Change-Id: I4034f2d48b3e40d9863529053715183dc3dce1f5

bootstrap/bootstrap.go

@@ -128,7 +128,7 @@ var (
 			// TODO: it's kinda ugly that some parameters are computed from
 			// environment variables and some from Ninja parameters, but it's probably
 			// better to not to touch that while Blueprint and Soong are separate
-			Command:     "cd $$(dirname $builder) && BUILDER=$$PWD/$$(basename $builder) && cd / && env -i $$BUILDER $extra --top \"$$TOP\" --out \"$$SOONG_OUTDIR\" -b $buildDir -n $ninjaBuildDir -d $out.d -globFile $globFile -o $out $in",
+			Command:     "cd $$(dirname $builder) && BUILDER=$$PWD/$$(basename $builder) && cd / && env -i $$BUILDER $extra --top \"$$TOP\" --out \"$$SOONG_OUTDIR\" --delve_listen \"$$SOONG_DELVE\" --delve_path \"$$SOONG_DELVE_PATH\" -b $buildDir -n $ninjaBuildDir -d $out.d -globFile $globFile -o $out $in",
 			CommandDeps: []string{"$builder"},
 			Description: "$builder $out",
 			Deps:        blueprint.DepsGCC,

microfactory/microfactory.go

@@ -397,6 +397,7 @@ func (p *GoPackage) Compile(config *Config, outDir string) error {
 	fmt.Fprintln(hash, runtime.GOOS, runtime.GOARCH, goVersion)
 
 	cmd := exec.Command(filepath.Join(goToolDir, "compile"),
+		"-N", "-l", // Disable optimization and inlining so that debugging works better
 		"-o", p.output,
 		"-p", p.Name,
 		"-complete", "-pack", "-nolocalimports")