AAPT2: Allow <key-sets> tags in AndroidManifest.xml

Bug: 62839863
Test: make aapt2_tests
Change-Id: Ic38fadf3b204bf603f6770643735635cd1f1df7e
diff --git a/tools/aapt2/link/ManifestFixer.cpp b/tools/aapt2/link/ManifestFixer.cpp
index 99fd95b..a0ffefa 100644
--- a/tools/aapt2/link/ManifestFixer.cpp
+++ b/tools/aapt2/link/ManifestFixer.cpp
@@ -309,6 +309,9 @@
   manifest_action["meta-data"] = meta_data_action;
   manifest_action["uses-split"].Action(RequiredNameIsJavaPackage);
 
+  manifest_action["key-sets"]["key-set"]["public-key"];
+  manifest_action["key-sets"]["upgrade-key-set"];
+
   // Application actions.
   xml::XmlNodeAction& application_action = manifest_action["application"];
   application_action.Action(OptionalNameIsJavaClassName);