m3: add WearMaterial3 Loader anim impl

Add WearMaterial3 design AVDs to resources and use them as default
indeterminate drawable of ProgressBar.

Preview: https://buganizer.corp.google.com/issues/334114938#comment34

Flag: EXEMPT. xml change
Bug: 334114938
Test: manual
Change-Id: I4352366a2938c384540c3c5f3b0e602f41050104