Revert "Revert "Full-stack integrity: check vdex contents.""

bug: 30972906

Initial revert due to 'check' file of the test needing updating for target tests.

This reverts commit a19b7649faf8780737be7ce3ec48a12d81c6d69f.

Change-Id: I455780bd88cd89ff80c9084d399e2beeb819b95f
diff --git a/runtime/oat_file_assistant.h b/runtime/oat_file_assistant.h
index a184807..6da49a9 100644
--- a/runtime/oat_file_assistant.h
+++ b/runtime/oat_file_assistant.h
@@ -508,6 +508,9 @@
 
   // Whether only oat files on /system are loaded executable.
   const bool only_load_system_executable_ = false;
+  // Whether the potential zip file only contains uncompressed dex.
+  // Will be set during GetRequiredDexChecksums.
+  bool zip_file_only_contains_uncompressed_dex_ = true;
 
   // Cached value of the required dex checksums.
   // This should be accessed only by the GetRequiredDexChecksums() method.