[VTS] Removes wait on buffer fence

When we have a fence created with GraphicBuffer
We don't need to wait on it in VTS tests,
the composer should be able to handle the
 fence in this case

BUG: 219589185

Test: atest VtsHalGraphicsComposer3_TargetTest
Change-Id: I688d695bb562dd1fe86cdceb642e746cbafe8b30
2 files changed