Follow up to "Add ISA directory to image and odex pathnames."

Change-Id: I7f08cc3052fbed93a56ccf1ab7675ae8bc129da9
diff --git a/runtime/gc/heap.h b/runtime/gc/heap.h
index 3b071d1..9831861 100644
--- a/runtime/gc/heap.h
+++ b/runtime/gc/heap.h
@@ -144,7 +144,7 @@
                 size_t max_free, double target_utilization,
                 double foreground_heap_growth_multiplier, size_t capacity,
                 const std::string& original_image_file_name,
-                const InstructionSet image_instruction_set,
+                InstructionSet image_instruction_set,
                 CollectorType foreground_collector_type, CollectorType background_collector_type,
                 size_t parallel_gc_threads, size_t conc_gc_threads, bool low_memory_mode,
                 size_t long_pause_threshold, size_t long_gc_threshold,
diff --git a/runtime/gc/space/image_space.h b/runtime/gc/space/image_space.h
index 622371f..1dc6c57 100644
--- a/runtime/gc/space/image_space.h
+++ b/runtime/gc/space/image_space.h
@@ -43,13 +43,13 @@
   // creation of the alloc space. The ReleaseOatFile will later be
   // used to transfer ownership of the OatFile to the ClassLinker when
   // it is initialized.
-  static ImageSpace* Create(const char* image, const InstructionSet image_isa)
+  static ImageSpace* Create(const char* image, InstructionSet image_isa)
       SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
 
   // Reads the image header from the specified image location for the
   // instruction set image_isa.
   static ImageHeader* ReadImageHeaderOrDie(const char* image_location,
-                                           const InstructionSet image_isa);
+                                           InstructionSet image_isa);
 
   // Releases the OatFile from the ImageSpace so it can be transfer to
   // the caller, presumably the ClassLinker.
@@ -114,7 +114,7 @@
   //
   // Returns true if an image was found, false otherwise.
   static bool FindImageFilename(const char* image_location,
-                                const InstructionSet image_isa,
+                                InstructionSet image_isa,
                                 std::string* location,
                                 bool* is_system);