Disable CoreAnimationCompositorAnimationsTest.ConvertTimingForCompositorIterationCount

This crashes on Android Tests (dbg)

TBR=mithro
BUG=319674

Review URL: https://codereview.chromium.org/73773002

git-svn-id: svn://svn.chromium.org/blink/trunk@162090 bbb929c8-8fbe-4397-9dbb-9b2b20218538