Try disabling Play Music in SysUI jank tests

We suspect that Music pops up in the middle of testing.
If confirmed, we'll contact Music, and when they fix it, we'll re-enable
the app.

Bug: 115781447
Test: atest -v google/perf/jank/SystemUI/UbSystemUIJankTests:android.platform.systemui.tests.jank.LauncherJankTests#testOpenAllAppsContainer
Change-Id: Ic47336bea408eec97e076674ce255e2a8763184e