Enable interruptions in compose Lockscreen

This CL enables the enableInterruptions flag in the STLState used by the
compose Lockscreen. This flag is already enabled by default in STLState
and is going to be removed soon.

Bug: 371951148
Test: Performed the AOD <=> Lockscreen transition with flexiglass on
Flag: com.android.systemui.compose_lockscreen
Change-Id: I6a3de04f59013202573e81490281943067365635