Merge "Close opened paths" am: 217a70e713 am: 4c8f8b8c00

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/1972548

Change-Id: I2d36dd67b02065c4bd58beb946f6d102b5bf5036

android/bazel.go

@@ -716,6 +716,7 @@ func GetMainClassInManifest(c Config, filepath string) (string, error) {
 	if err != nil {
 		return "", err
 	}
+	defer file.Close()
 	scanner := bufio.NewScanner(file)
 	for scanner.Scan() {
 		line := scanner.Text()

android/soong_config_modules.go

@@ -378,6 +378,7 @@ func loadSoongConfigModuleTypeDefinition(ctx LoadHookContext, from string) map[s
 			ctx.PropertyErrorf("from", "failed to open %q: %s", from, err)
 			return (map[string]blueprint.ModuleFactory)(nil)
 		}
+		defer r.Close()
 
 		mtDef, errs := soongconfig.Parse(r, from)
 		if ctx.Config().runningAsBp2Build {