Merge "Revert "Temporarily disable dex cache array emptyness DCHECK"" am: d9df0d5281
am: fb767d9c32

* commit 'fb767d9c327b3fd9edaee9fb1daf5fe6b4a3a4f5':
  Revert "Temporarily disable dex cache array emptyness DCHECK"

Change-Id: I8ed3fb1cff2556f51bf046213524c44895f5f374