Include license texts and kinds for VNDK snapshot

VNDK snapshot must include the information of the license texts and
kinds. Include them when packaging the snapshot prebuilt files.
This will be used to generate the VNDK snapshot files.

Bug: 270625053
Bug: 277317599
Test: development/vndk/snapshot/build.sh --build-artifacts
Change-Id: I0a39ff598efbb80faaf63807cdf5ce685fa074cc

android/module.go

@@ -550,6 +550,7 @@ type Module interface {
 	ExportedToMake() bool
 	InitRc() Paths
 	VintfFragments() Paths
+	EffectiveLicenseKinds() []string
 	EffectiveLicenseFiles() Paths
 
 	AddProperties(props ...interface{})
@@ -2024,6 +2025,10 @@ func (m *ModuleBase) ExportedToMake() bool {
 	return m.commonProperties.NamespaceExportedToMake
 }
 
+func (m *ModuleBase) EffectiveLicenseKinds() []string {
+	return m.commonProperties.Effective_license_kinds
+}
+
 func (m *ModuleBase) EffectiveLicenseFiles() Paths {
 	result := make(Paths, 0, len(m.commonProperties.Effective_license_text))
 	for _, p := range m.commonProperties.Effective_license_text {

cc/vndk.go

@@ -674,8 +674,12 @@ func (c *vndkSnapshotSingleton) GenerateBuildActions(ctx android.SingletonContex
 	snapshotArchDir := filepath.Join(snapshotDir, ctx.DeviceConfig().DeviceArch())
 
 	configsDir := filepath.Join(snapshotArchDir, "configs")
+	noticeDir := filepath.Join(snapshotArchDir, "NOTICE_FILES")
 	includeDir := filepath.Join(snapshotArchDir, "include")
 
+	// set of notice files copied.
+	noticeBuilt := make(map[string]bool)
+
 	// paths of VNDK modules for GPL license checking
 	modulePaths := make(map[string]string)
 
@@ -700,28 +704,36 @@ func (c *vndkSnapshotSingleton) GenerateBuildActions(ctx android.SingletonContex
 		snapshotLibOut := filepath.Join(snapshotArchDir, targetArch, "shared", vndkType, libPath.Base())
 		ret = append(ret, snapshot.CopyFileRule(pctx, ctx, libPath, snapshotLibOut))
 
+		// json struct to export snapshot information
+		prop := struct {
+			LicenseKinds        []string `json:",omitempty"`
+			LicenseTexts        []string `json:",omitempty"`
+			ExportedDirs        []string `json:",omitempty"`
+			ExportedSystemDirs  []string `json:",omitempty"`
+			ExportedFlags       []string `json:",omitempty"`
+			RelativeInstallPath string   `json:",omitempty"`
+		}{}
+
+		prop.LicenseKinds = m.EffectiveLicenseKinds()
+		prop.LicenseTexts = m.EffectiveLicenseFiles().Strings()
+
 		if ctx.Config().VndkSnapshotBuildArtifacts() {
-			prop := struct {
-				ExportedDirs        []string `json:",omitempty"`
-				ExportedSystemDirs  []string `json:",omitempty"`
-				ExportedFlags       []string `json:",omitempty"`
-				RelativeInstallPath string   `json:",omitempty"`
-			}{}
 			exportedInfo := ctx.ModuleProvider(m, FlagExporterInfoProvider).(FlagExporterInfo)
 			prop.ExportedFlags = exportedInfo.Flags
 			prop.ExportedDirs = exportedInfo.IncludeDirs.Strings()
 			prop.ExportedSystemDirs = exportedInfo.SystemIncludeDirs.Strings()
 			prop.RelativeInstallPath = m.RelativeInstallPath()
-
-			propOut := snapshotLibOut + ".json"
-
-			j, err := json.Marshal(prop)
-			if err != nil {
-				ctx.Errorf("json marshal to %q failed: %#v", propOut, err)
-				return nil, false
-			}
-			ret = append(ret, snapshot.WriteStringToFileRule(ctx, string(j), propOut))
 		}
+
+		propOut := snapshotLibOut + ".json"
+
+		j, err := json.Marshal(prop)
+		if err != nil {
+			ctx.Errorf("json marshal to %q failed: %#v", propOut, err)
+			return nil, false
+		}
+		ret = append(ret, snapshot.WriteStringToFileRule(ctx, string(j), propOut))
+
 		return ret, true
 	}
 
@@ -761,6 +773,14 @@ func (c *vndkSnapshotSingleton) GenerateBuildActions(ctx android.SingletonContex
 		moduleNames[stem] = ctx.ModuleName(m)
 		modulePaths[stem] = ctx.ModuleDir(m)
 
+		for _, notice := range m.EffectiveLicenseFiles() {
+			if _, ok := noticeBuilt[notice.String()]; !ok {
+				noticeBuilt[notice.String()] = true
+				snapshotOutputs = append(snapshotOutputs, snapshot.CopyFileRule(
+					pctx, ctx, notice, filepath.Join(noticeDir, notice.String())))
+			}
+		}
+
 		if ctx.Config().VndkSnapshotBuildArtifacts() {
 			headers = append(headers, m.SnapshotHeaders()...)
 		}