Add dexlayout support for call sites and method handles.

Tested that it works with Orion's test dex files. Can generate output
files that match the test input files.

Unit tests to follow.

Bug: 37732062
Test: mm test-art-host

(cherry-picked from commit 5daee906)

Change-Id: I834a1558506e99de17010d74dc5e8d83835f7f96