Delete use of $(shell) in Android.mks.

It's terribly wrong to call $(shell) to copy over files in Android.mks,
because the $(shell) is run everytime you run make.
Instead we can create symlinks with DATA in the path, required by
the testing infrastruture.

Change-Id: Ibcfa93874ce2d83a1fd3c07eddaccf4cc2ca6a5e
7 files changed