Hide media on smartspace view when setting is disabled

Flag: EXEMPT BUGFIX
Bug: 478725173
Test: atest LockscreenSmartspaceControllerTest
(cherry picked from commit 1c140dd857ff150a25b881b2f9865714f1b7e0f5)
DISABLE_TOPIC_PROTECTOR
Cherrypick-From: https://googleplex-android-review.googlesource.com/q/commit:719e4ab202cb01492fde54cde75ec5707951e645
Merged-In: I8f589018521b281bb3fd28539f4099d28fdbd691
Change-Id: I8f589018521b281bb3fd28539f4099d28fdbd691
3 files changed