Add makefile_goal.

Only for boot images.

Test: add one makefile_goal
Bug: 158537840
Change-Id: I88a006a1c7bfbf79f10f5360aae27a9bc267e42d

android/neverallow_test.go

@@ -326,6 +326,20 @@ var neverallowTests = []struct {
 			"module \"outside_art_libraries\": violates neverallow",
 		},
 	},
+	{
+		name: "disallowed makefile_goal",
+		fs: map[string][]byte{
+			"Android.bp": []byte(`
+				makefile_goal {
+					name: "foo",
+					product_out_path: "boot/trap.img"
+				}
+			`),
+		},
+		expectedErrors: []string{
+			"Only boot images may be imported as a makefile goal.",
+		},
+	},
 }
 
 func TestNeverallow(t *testing.T) {
@@ -350,6 +364,7 @@ func testNeverallow(config Config) (*TestContext, []error) {
 	ctx.RegisterModuleType("java_library", newMockJavaLibraryModule)
 	ctx.RegisterModuleType("java_library_host", newMockJavaLibraryModule)
 	ctx.RegisterModuleType("java_device_for_host", newMockJavaLibraryModule)
+	ctx.RegisterModuleType("makefile_goal", newMockMakefileGoalModule)
 	ctx.PostDepsMutators(RegisterNeverallowMutator)
 	ctx.Register(config)
 
@@ -438,3 +453,22 @@ func newMockJavaLibraryModule() Module {
 
 func (p *mockJavaLibraryModule) GenerateAndroidBuildActions(ModuleContext) {
 }
+
+type mockMakefileGoalProperties struct {
+	Product_out_path *string
+}
+
+type mockMakefileGoalModule struct {
+	ModuleBase
+	properties mockMakefileGoalProperties
+}
+
+func newMockMakefileGoalModule() Module {
+	m := &mockMakefileGoalModule{}
+	m.AddProperties(&m.properties)
+	InitAndroidModule(m)
+	return m
+}
+
+func (p *mockMakefileGoalModule) GenerateAndroidBuildActions(ModuleContext) {
+}