[view compilation] Add separate compilation property

Add separate compilation pm.precompile_layouts property for
precompiled layouts that controls compilation. Previously
this was controlled by view.precompiled_layout_enabled.

Movitation:
Enable view compilation without loading to get extra coverage.

Exempt-From-Owner-Approval: Cherry-pick from AOSP
Bug: 111895153
Test: manual
Change-Id: Ica79ec076714f76d6ae75d398a2f62d7dd85a6a6