Copy code from sdk.git to base.git

This changeset moves the base libraries and apps from sdk.git into
base.git.  There are no other changes to the code.

The tip of the trunk is
ca3c2001a26a913df84d1ff8e742ca5f2278bc2d

The gerrit change id for https://android-review.googlesource.com is
     Change Id: Ibdcdec5745f040eb7b0880cf6999c0f0ea7f7e6f

Change-Id: I55db7ad07f1a1ae92c64d3e32b44b0f57662f57a
1979 files changed