PackageFile for permission/*.xml for sdk_library

Bug: 333311683
Test: build android.bp system image and then check if there is
permission xml file for sdk_library

Change-Id: If5ac1975a7db10d85a1b11c1cd666051e3da546e
diff --git a/java/sdk_library.go b/java/sdk_library.go
index bb5730d..113071f 100644
--- a/java/sdk_library.go
+++ b/java/sdk_library.go
@@ -3316,6 +3316,7 @@
 	android.WriteFileRuleVerbatim(ctx, module.outputFilePath, xmlContent)
 
 	module.installDirPath = android.PathForModuleInstall(ctx, "etc", module.SubDir())
+	ctx.PackageFile(module.installDirPath, libName+".xml", module.outputFilePath)
 }
 
 func (module *sdkLibraryXml) AndroidMkEntries() []android.AndroidMkEntries {