Migrate away from deprecated Truth APIs.

This is a transitional step towards truth 1.0.1, where these APIs have
been completely removed.

Bug: 168765701
Test: m checkbuild
Merged-In: Ie8e6ada70656ec8bede926112be5707ab4c849ac
Change-Id: Ie8e6ada70656ec8bede926112be5707ab4c849ac
(cherry picked from commit 6094c684)