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_test.cpp b/tools/aapt2/java/ProguardRules_test.cpp
index 25b55ab..8720597 100644
--- a/tools/aapt2/java/ProguardRules_test.cpp
+++ b/tools/aapt2/java/ProguardRules_test.cpp
@@ -30,7 +30,7 @@
 std::string GetKeepSetString(const proguard::KeepSet& set, bool minimal_rules) {
   std::string out;
   StringOutputStream sout(&out);
-  proguard::WriteKeepSet(set, &sout, minimal_rules);
+  proguard::WriteKeepSet(set, &sout, minimal_rules, false);
   sout.Flush();
   return out;
 }