manifest: Track AOSP 4.2.2

Tracking 4.2.1 still for ti and exynos as
those haven't been updated yet

Patch-set 3: Add external/eigen and remove commented bootable recovery

Signed-off-by: helicopter88 <johnlemon.lol@gmail.com>
Change-Id: I6c0dbdce6a9546648b4b405855006e0a03e816b4