This is a deterministic semi-recompression based patching tool for
deflate streams. Its main purpose is to provide necessary tools for
updating the squashfs Android container which is gzipped (deflate
base). For more details refer to go/puffin-recompression.

BUG=chromium:717785
TEST=cros_workon_make --board=amd64-generic puffin --test
CQ-DEPEND=CL:451881

Change-Id: I6f644bf078bedb809d14fba821a12ddf9849712a
Reviewed-on: https://chromium-review.googlesource.com/451861


Commit-Ready: Amin Hassani <ahassani@chromium.org>
Tested-by: Amin Hassani <ahassani@chromium.org>
Reviewed-by: Andrew de los Reyes <adlr@chromium.org>
Reviewed-by: Sen Jiang <senj@chromium.org>