Move art content to /data

oat tests, gtests, and run-test content to /data/art-test
boot.oat and boot.art to /data/art-cache

Change-Id: I68f9f6798bc4ea0596642ff5624f3e77dec6ccbe
diff --git a/src/runtime.cc b/src/runtime.cc
index 30fb4de..552bff8 100644
--- a/src/runtime.cc
+++ b/src/runtime.cc
@@ -275,7 +275,7 @@
       parsed->jni_trace_ = option.substr(strlen("-Xjnitrace:")).data();
     } else if (option == "-Xzygote") {
       parsed->is_zygote_ = true;
-      parsed->images_.push_back("/system/framework/boot.art");
+      parsed->images_.push_back("/data/art-cache/boot.art");
     } else if (option.starts_with("-verbose:")) {
       std::vector<std::string> verbose_options;
       Split(option.substr(strlen("-verbose:")).data(), ',', verbose_options);