Update DexMaker's UnsafeAllocator

Bug: 8297650
Change-Id: Icab2ac88926086070b1600e4514872d8b05de261
Typo in bug number

Change-Id: I58ef389e23022caa1f193ea5bb69f1feac38ecba
Merge tag 'tags/android-4.4_r1' into kitkat-staging

Android 4.4 Release 1.0