Remove unused hiddenapi_flags module type

Bug: 177892522
Test: m nothing
Change-Id: I604a86a25bbc722ec718b0b0272d0481218d3cd9

java/hiddenapi_singleton.go

@@ -15,8 +15,6 @@
 package java
 
 import (
-	"fmt"
-
 	"android/soong/android"
 )
 
@@ -27,7 +25,6 @@ func init() {
 func RegisterHiddenApiSingletonComponents(ctx android.RegistrationContext) {
 	ctx.RegisterSingletonType("hiddenapi", hiddenAPISingletonFactory)
 	ctx.RegisterSingletonType("hiddenapi_index", hiddenAPIIndexSingletonFactory)
-	ctx.RegisterModuleType("hiddenapi_flags", hiddenAPIFlagsFactory)
 }
 
 var PrepareForTestWithHiddenApiBuildComponents = android.FixtureRegisterWithContext(RegisterHiddenApiSingletonComponents)
@@ -392,51 +389,6 @@ func commitChangeForRestat(rule *android.RuleBuilder, tempPath, outputPath andro
 		Text(")")
 }
 
-type hiddenAPIFlagsProperties struct {
-	// name of the file into which the flags will be copied.
-	Filename *string
-}
-
-type hiddenAPIFlags struct {
-	android.ModuleBase
-
-	properties hiddenAPIFlagsProperties
-
-	outputFilePath android.OutputPath
-}
-
-func (h *hiddenAPIFlags) GenerateAndroidBuildActions(ctx android.ModuleContext) {
-	filename := String(h.properties.Filename)
-
-	inputPath := hiddenAPISingletonPaths(ctx).flags
-	h.outputFilePath = android.PathForModuleOut(ctx, filename).OutputPath
-
-	// This ensures that outputFilePath has the correct name for others to
-	// use, as the source file may have a different name.
-	ctx.Build(pctx, android.BuildParams{
-		Rule:   android.Cp,
-		Output: h.outputFilePath,
-		Input:  inputPath,
-	})
-}
-
-func (h *hiddenAPIFlags) OutputFiles(tag string) (android.Paths, error) {
-	switch tag {
-	case "":
-		return android.Paths{h.outputFilePath}, nil
-	default:
-		return nil, fmt.Errorf("unsupported module reference tag %q", tag)
-	}
-}
-
-// hiddenapi-flags provides access to the hiddenapi-flags.csv file generated during the build.
-func hiddenAPIFlagsFactory() android.Module {
-	module := &hiddenAPIFlags{}
-	module.AddProperties(&module.properties)
-	android.InitAndroidArchModule(module, android.HostAndDeviceSupported, android.MultilibCommon)
-	return module
-}
-
 func hiddenAPIIndexSingletonFactory() android.Singleton {
 	return &hiddenAPIIndexSingleton{}
 }