Build license metadata files in Soong

Soong has enough information to build the license metadata files
without resorting to the fixups required in Make.

Bug: 207445310
Test: m checkbuild
Change-Id: I8e74108376162b8fdb87ba098ebe94350aa1f7c4

android/module.go

@@ -1230,6 +1230,10 @@ type ModuleBase struct {
 
 	initRcPaths         Paths
 	vintfFragmentsPaths Paths
+
+	// set of dependency module:location mappings used to populate the license metadata for
+	// apex containers.
+	licenseInstallMap []string
 }
 
 // A struct containing all relevant information about a Bazel target converted via bp2build.
@@ -1774,6 +1778,12 @@ func (m *ModuleBase) VintfFragments() Paths {
 	return append(Paths{}, m.vintfFragmentsPaths...)
 }
 
+// SetLicenseInstallMap stores the set of dependency module:location mappings for files in an
+// apex container for use when generation the license metadata file.
+func (m *ModuleBase) SetLicenseInstallMap(installMap []string) {
+	m.licenseInstallMap = append(m.licenseInstallMap, installMap...)
+}
+
 func (m *ModuleBase) generateModuleTarget(ctx ModuleContext) {
 	var allInstalledFiles InstallPaths
 	var allCheckbuildFiles Paths
@@ -2049,6 +2059,8 @@ func (m *ModuleBase) GenerateBuildActions(blueprintCtx blueprint.ModuleContext)
 	m.installFilesDepSet = newInstallPathsDepSet(m.installFiles, dependencyInstallFiles)
 	m.packagingSpecsDepSet = newPackagingSpecsDepSet(m.packagingSpecs, dependencyPackagingSpecs)
 
+	buildLicenseMetadata(ctx)
+
 	m.buildParams = ctx.buildParams
 	m.ruleParams = ctx.ruleParams
 	m.variables = ctx.variables