chromium: Update all channels to latest versions.

With this commit, the following new upstream versions are introduced:

stable: 34.0.1847.116 -> 34.0.1847.132 (builds fine, tested)
beta:   35.0.1916.47  -> 35.0.1916.86  (builds fine, tested)
dev:    36.0.1941.0   -> 36.0.1964.2   (builds fine, tested)

Signed-off-by: aszlig <aszlig@redmoonstudios.org>