Remove @Deprecated from Path.computeBounds(RectF, boolean)

This is too aggressive a signal, and the replacement method lacks
sufficient availability for this to be actionable yet

Bug: 216813597
Change-Id: I6eac9a18de9e7c71896cde1777d91edff8405333
Test: n/a
Flag: com.android.graphics.flags.exact_compute_bounds