Add "no-proguard-location-reference" flag to aapt2

This fixes relocatability issues with the code shrinkers.

Bug: 144529940
Test: None
Change-Id: I65e08e850193e67dcdf4c533d9e66332714f0c8c
diff --git a/tools/aapt2/java/ProguardRules.h b/tools/aapt2/java/ProguardRules.h
index b15df59..a01b64d 100644
--- a/tools/aapt2/java/ProguardRules.h
+++ b/tools/aapt2/java/ProguardRules.h
@@ -70,7 +70,8 @@
   }
 
  private:
-  friend void WriteKeepSet(const KeepSet& keep_set, io::OutputStream* out, bool minimal_keep);
+  friend void WriteKeepSet(const KeepSet& keep_set, io::OutputStream* out, bool minimal_keep,
+                           bool no_location_reference);
 
   friend bool CollectLocations(const UsageLocation& location, const KeepSet& keep_set,
                                std::set<UsageLocation>* locations);
@@ -89,7 +90,8 @@
 
 bool CollectResourceReferences(IAaptContext* context, ResourceTable* table, KeepSet* keep_set);
 
-void WriteKeepSet(const KeepSet& keep_set, io::OutputStream* out, bool minimal_keep);
+void WriteKeepSet(const KeepSet& keep_set, io::OutputStream* out, bool minimal_keep,
+                  bool no_location_reference);
 
 bool CollectLocations(const UsageLocation& location, const KeepSet& keep_set,
                       std::set<UsageLocation>* locations);