Add VMRuntime.isBootClassPathOnDisk

Bug: 17679443

(cherry picked from commit 95a935415d44903b28326424beb4db5c013ef089)

Change-Id: Iba40291dead3f0b6715903c986370fd0cf1e41e1
diff --git a/runtime/runtime.cc b/runtime/runtime.cc
index 49f8c63..48439b6 100644
--- a/runtime/runtime.cc
+++ b/runtime/runtime.cc
@@ -678,6 +678,7 @@
   compiler_executable_ = options->compiler_executable_;
   compiler_options_ = options->compiler_options_;
   image_compiler_options_ = options->image_compiler_options_;
+  image_location_ = options->image_;
 
   max_spins_before_thin_lock_inflation_ = options->max_spins_before_thin_lock_inflation_;