TypeVariable: tweak Android-removed marker.

This CL comments out the orphaned documentation for an Android-removed
method, since it is no longer attached to any API. This also eliminates
the risk of the orphaned documentation being accidentally surfaced on
the wrong API element.

Bug: 35910877
Test: Treehugger

Change-Id: Ieaf191ac0910e1dcd474ecbdc9749237682c872e
1 file changed