Android SDK Update
GooglePlayBillingLibrary Update.

- Added One-touch Fast upgrade/equipment enhancement/dungeon stage
- Reduce the stage clear screen time by half
- Coin Currency display added "K","M",and "B" suffixes
- Added in-game visual effects for Dark Knight Awakening
- Added 10% health recovery when using Dark Knight Awakening's Shooting Sword
- Fixed Dark Knight Awakening ranking dungeon "Fireball" bug