manifest: Add ralink wi-fi driver project.

Change-Id: I68ed5bfd7f2f7c82a333f9c8e507d35b0ed6161b
Merge "manifest: Add ralink wi-fi driver project." into 5422_4.4.4_master
manifest: Change bluedroid project repository.

Change-Id: I05aa11b4d08cca58b54215fd352d23e530f82be5
Merge branch '5422_4.4.4_master' of github.com:hardkernel/android into 5422_4.4.4_master