Bump to betas

yay!

Change-Id: I2e514283e8ba20af1ed1c8c26e54ae611d7c3feb
i605: access vzw apps in play store

Credit to Matt Mower

Change-Id: I21e8d538074e0299aeb3973daaff9cf273fed8b5
l900: update build fingerprint and description

Change-Id: I6160401da01423c6fc88d28342543f5d1936d63d