Remove the dexlayout library from the APEX.

Also remove the dexlayout(d) and dexdiag binaries from the debug APEX
and the art-tools mk module.

Also remove references to the dexlayout-related gtests.

Test: art/tools/buildbot-build.sh
Test: art/build/apex/runtests.sh
Bug: 325430813
Change-Id: I6a6cbc0eecfedf3e020eb1c9e4d4f1479cf4a6dc
5 files changed