Add permission and permission.xsd

This module is for API check of java file generated from
permission.xsd

Bug: 80453829
Test: m -j
Change-Id: Ie70693400a6c9b261c8b1ca6197206ac3d17a271
diff --git a/core/xsd/schema/removed.txt b/core/xsd/schema/removed.txt
new file mode 100644
index 0000000..d802177
--- /dev/null
+++ b/core/xsd/schema/removed.txt
@@ -0,0 +1 @@
+// Signature format: 2.0