Turn off SupportsFlexibleFloorAndRound for Arm64 due to a bug.

Turn off SupportsFlexibleFloorAndRound for Arm64 due to a bug.

There is a bug with SupportsFlexibleFloorAndRound on Arm64. Turn it off for
now until we figure out a proper solution.

BUG=chromium:476477
LOG=Y

Committed: https://crrev.com/b990a6c691c64db803d0f876c052b802433facdf
Cr-Commit-Position: refs/heads/master@{#27925}

[rmcilroy, 2015-04-17 17:08:03]

rmcilroy@chromium.org changed reviewers:
+ erikcorry@chromium.org, rodolph.perfetta@arm.com

[rmcilroy, 2015-04-17 17:08:04]

Rodolph / Erik - PTAL, thanks.

[Rodolph Perfetta (ARM), 2015-04-17 17:11:34]

lgtm

[rmcilroy, 2015-04-17 17:33:26]

The CQ bit was checked by rmcilroy@chromium.org

[commit-bot: I haz the power, 2015-04-17 17:33:39]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1093863002/1

[commit-bot: I haz the power, 2015-04-17 18:00:31]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-04-17 18:00:41]

Patchset 1 (id:??) landed as
https://crrev.com/b990a6c691c64db803d0f876c052b802433facdf
Cr-Commit-Position: refs/heads/master@{#27925}