Make Drawable#isProjected public

Modify Drawable public API to no longer mark isProjected
as hidden. This makes the Drawable API consistent with the public
RenderNode API and enables androidx to move away from accessing
this method through reflection

Bug: 120159096 117521142
Test: none
Change-Id: Icdd778bf3d8842eb2d69e5872f704c7e96f915fa
2 files changed