Include 26.0 compat file on system image.

This file is necessary for using an mr1 system image in conjunction
with an oc-dev vendor image.  This is currently needed by GSI testing,
for example.

(cherry-pick of commit: 03596f28)

Bug: 66358348
Test: File is included on system image.
Change-Id: I3a6b7ed5edf1c07941bbf835e70f2ae8d03fee25