m3: re-drop of WearMaterial3 Loader anim impl

Original impl ag/31482221 was reverted due to underlying issue in RROs
system. See https://b.corp.google.com/issues/397316880#comment22 for
more context.

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: Iff4943550fac6c53f48dfb647acc553e221ecccb