Emulator kernel binary update: add scheduling class support

Generated from the sources of android.git.kernel.org/kernel/common.git
at the following commit SHA-1:

   7ca5167d582cda17f1603389beee7edf60f34750

The purpose of this patch is to add scheduling class support to the
kernel, i.e. implement stuff like /dev/cpuctl/tasks that is used by
the Activity manager to handle scheduling priorities for foreground/
background/service processes.