Revert "Fix automation for checking string override on intent picker work tab"

This reverts commit b71b3b282931246ce4be54cb53edb7a988f3c4b0.

Reason for revert: The subtitle was restored and should be reflected in test, see b/344992620
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:ec17e08c417197205fa69ab308c84e1a1e24b6ca)
Merged-In: Iaef0d82066360662117da707f0abec23d03c0a75
Change-Id: Iaef0d82066360662117da707f0abec23d03c0a75