Switch to config based tcp buffer sizes

Change-Id: Ia6a28a986fd903de8c19fe115e760490838fee51
Add back support for hardware keys

Change-Id: Ide74bf49315f2c5112eebb5612a05df9ea4f6a99
Launch recents when long pressing HOME key

Change-Id: I82787f0db22abb059f88accba116eb24630e17a6