Merge lmp changes into mnc.

Most merge conflicts are due to changes in the string representation.
They have been resolved in favour of "mnc-dev" since we've changed
the string representation there. Other changes relate to the
fact that there are now two jars in libcore (core-oj and core-libart).

Change-Id: I1fcc6e5f8dab8d1954dcddca0493563e7677d433
diff --git a/runtime/mirror/string-inl.h b/runtime/mirror/string-inl.h
index d283f58..e17e379 100644
--- a/runtime/mirror/string-inl.h
+++ b/runtime/mirror/string-inl.h
@@ -31,8 +31,8 @@
 namespace mirror {
 
 inline uint32_t String::ClassSize(size_t pointer_size) {
-  uint32_t vtable_entries = Object::kVTableLength + 52;
-  return Class::ComputeClassSize(true, vtable_entries, 0, 1, 0, 1, 2, pointer_size);
+  uint32_t vtable_entries = Object::kVTableLength + 53;
+  return Class::ComputeClassSize(true, vtable_entries, 0, 2, 0, 1, 2, pointer_size);
 }
 
 // Sets string count in the allocation code path to ensure it is guarded by a CAS.