Update Drawable API to expose getOpticalBounds method as well as
the Insets class

Updated all Drawable implementations to remove the @hide annotation

Fixes: 78942648
Test: Re-run CtsGraphicsTestCases and updated Drawable CTS tests to
verify getOpticalBounds implementations

Change-Id: Id9b6bbbe15173e310bbf44184b4678fb29ef1cd8
15 files changed