Yank ResourceCache out of Caches

Bug: 17947547

Pull the ResourceCache (aka, ref-counting side channel) out of
Caches so that DisplayListRenderer doesn't use Caches, avoiding
the risk of instantiating Caches on the wrong thread or
without a GL context

Change-Id: I7d63b70b3b0a0163308c5dedd6ef255eadebe8fd
10 files changed