build/core: Apply more compiler optimizations

flags taken from VanirAOSP

Change-Id: Id9f3c54d1ced3ac42319fa6be8822eff590aa434

Specify -msse3 on host as on target.

Make the host and the target x86 build more uniform by using the same machine flags.
Its unlikely Android has ever been built on a machine without SSE3 support.

Bug: 8068608
Change-Id: I19635528b61bf2c6faf02c2e575b1d9bf8025d3a
Fixed typo

It was causing builds to fail on OS X
lets make the lunch list look a little neater

It's very simple, but with more and more devices coming in, a long list won't cut it
There are probably better ways of doing this, feel free to comment

Change-Id: I9bd1fef920f985a133c882df9987b6be29dbc7b8