Switch gerrit to https://gerrit.slimroms.net

Update gerrit location.

Change-Id: I2b3402a1e4b3464d11b5f7ae13c7953eee35ea32
track unified email

Change-Id: I8fae6a9d0b190e9ab3b2472e5de8cef55e1cc081
track own DSP manager

Change-Id: Ie7ae86b736f962be52d831a5c110a0d833204439
hello 4.4.2

Change-Id: I79d65e2a0142eef00c75ebf7a9f8ba2c607bd1f9
Merge branch 'kk4.4' of https://github.com/SlimRoms/platform_manifest into kk4.4