Expose the pre "built" cpufeatures to the build.

I want to get the ndk project out of the master tree so treehugger
stops rejecting my changes when internal master is broken. We already
have a copy of the code here, so use that instead.

Test: make checkbuild
Bug: http://b/25482763
Change-Id: I2018c8cc6e5d2e454d8cba35157fec23b7b8ada9
1 file changed