Moving legacy halimpl to 1.0

Bug: 72746517
Test: compiles.
Merged-In: Ib1780dd74d131ce7248c4d461ebc60f34c683109
Change-Id: Ib1780dd74d131ce7248c4d461ebc60f34c683109
(cherry picked from commit 9bbd88c6a279a00e203a9626148a77109ae9c2c4)
55 files changed
tree: ce1b5d6bfa9c7ae50f9d9c819367f4ca82ab28fb
  1. 1.0/