Revert "Delete layoutlib legacy"

This reverts commit 4e877a2045c6b6bfe52e64e667bb1daf2bfe02aa.

Reason for revert: This broke sdk_gphone_x86_64-userdebug on master

Change-Id: I9fdeffb4c57a8bc13907b29c58a366fadc6e4d2d
3 files changed