Merge changes from topic "mutator_name"

* changes:
  Add MutatorName to mutator contexts
  Remove ioutil.TempDir from each android/soong/android test

android/mutator.go

@@ -117,6 +117,8 @@ type TopDownMutator func(TopDownMutatorContext)
 type TopDownMutatorContext interface {
 	BaseModuleContext
 
+	MutatorName() string
+
 	Rename(name string)
 
 	CreateModule(blueprint.ModuleFactory, ...interface{})
@@ -132,6 +134,8 @@ type BottomUpMutator func(BottomUpMutatorContext)
 type BottomUpMutatorContext interface {
 	BaseModuleContext
 
+	MutatorName() string
+
 	Rename(name string)
 
 	AddDependency(module blueprint.Module, tag blueprint.DependencyTag, name ...string)
@@ -229,6 +233,10 @@ func (t *topDownMutatorContext) PrependProperties(props ...interface{}) {
 // non-overridden method has to be forwarded.  There are fewer non-overridden methods, so use the latter.  The following
 // methods forward to the identical blueprint versions for topDownMutatorContext and bottomUpMutatorContext.
 
+func (t *topDownMutatorContext) MutatorName() string {
+	return t.bp.MutatorName()
+}
+
 func (t *topDownMutatorContext) Rename(name string) {
 	t.bp.Rename(name)
 }
@@ -237,6 +245,10 @@ func (t *topDownMutatorContext) CreateModule(factory blueprint.ModuleFactory, pr
 	t.bp.CreateModule(factory, props...)
 }
 
+func (b *bottomUpMutatorContext) MutatorName() string {
+	return b.bp.MutatorName()
+}
+
 func (b *bottomUpMutatorContext) Rename(name string) {
 	b.bp.Rename(name)
 }

android/mutator_test.go

@@ -15,8 +15,6 @@
 package android
 
 import (
-	"io/ioutil"
-	"os"
 	"reflect"
 	"testing"
 
@@ -56,12 +54,6 @@ func addMissingDependenciesMutator(ctx TopDownMutatorContext) {
 }
 
 func TestMutatorAddMissingDependencies(t *testing.T) {
-	buildDir, err := ioutil.TempDir("", "soong_mutator_test")
-	if err != nil {
-		t.Fatal(err)
-	}
-	defer os.RemoveAll(buildDir)
-
 	config := TestConfig(buildDir, nil)
 	config.TestProductVariables.Allow_missing_dependencies = proptools.BoolPtr(true)
 

android/package_test.go

@@ -1,8 +1,6 @@
 package android
 
 import (
-	"io/ioutil"
-	"os"
 	"testing"
 )
 
@@ -58,15 +56,9 @@ var packageTests = []struct {
 }
 
 func TestPackage(t *testing.T) {
-	buildDir, err := ioutil.TempDir("", "soong_package_test")
-	if err != nil {
-		t.Fatal(err)
-	}
-	defer os.RemoveAll(buildDir)
-
 	for _, test := range packageTests {
 		t.Run(test.name, func(t *testing.T) {
-			_, errs := testPackage(buildDir, test.fs)
+			_, errs := testPackage(test.fs)
 
 			expectedErrors := test.expectedErrors
 			if expectedErrors == nil {
@@ -89,7 +81,7 @@ func TestPackage(t *testing.T) {
 	}
 }
 
-func testPackage(buildDir string, fs map[string][]byte) (*TestContext, []error) {
+func testPackage(fs map[string][]byte) (*TestContext, []error) {
 
 	// Create a new config per test as visibility information is stored in the config.
 	config := TestArchConfig(buildDir, nil)

android/path_properties_test.go

@@ -15,8 +15,6 @@
 package android
 
 import (
-	"io/ioutil"
-	"os"
 	"reflect"
 	"testing"
 )
@@ -85,12 +83,6 @@ func TestPathDepsMutator(t *testing.T) {
 		},
 	}
 
-	buildDir, err := ioutil.TempDir("", "soong_path_properties_test")
-	if err != nil {
-		t.Fatal(err)
-	}
-	defer os.RemoveAll(buildDir)
-
 	for _, test := range tests {
 		t.Run(test.name, func(t *testing.T) {
 			config := TestArchConfig(buildDir, nil)