Remove rt flags that are not necessary

Remove rt flags that are not necessary

Committed: https://skia.googlesource.com/skia/+/b6b0a6ef179f4143c94ba7e0e1be6e7ce4b0a23a

[bsalomon, 2015-07-16 16:18:25]

bsalomon@google.com changed reviewers:
+ joshualitt@google.com

[bsalomon, 2015-07-16 16:18:29]

The CQ bit was checked by bsalomon@google.com

[commit-bot: I haz the power, 2015-07-16 16:18:51]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1226123012/1

[commit-bot: I haz the power, 2015-07-16 16:18:52]

Note for Reviewers:
The CQ is waiting for an approval.
If you believe that the CL is not ready yet, or if you would like to L-G-T-M
with comments then please uncheck the CQ checkbox.

Waiting for LGTM from valid reviewer(s) till 2015-07-16 22:18 UTC

[joshualitt, 2015-07-16 16:20:19]

On 2015/07/16 16:18:52, commit-bot: I haz the power wrote:
> Note for Reviewers:
> The CQ is waiting for an approval.
> If you believe that the CL is not ready yet, or if you would like to L-G-T-M
> with comments then please uncheck the CQ checkbox.
> 
> Waiting for LGTM from valid reviewer(s) till 2015-07-16 22:18 UTC

lgtm

[commit-bot: I haz the power, 2015-07-16 16:35:09]

Committed patchset #1 (id:1) as
https://skia.googlesource.com/skia/+/b6b0a6ef179f4143c94ba7e0e1be6e7ce4b0a23a

[bsalomon, 2015-07-16 16:59:55]

A revert of this CL (patchset #1 id:1) has been created in
https://codereview.chromium.org/1234503004/ by bsalomon@google.com.

The reason for reverting is: breaks tests, e.g. 
https://build.chromium.org/p/client.skia.android/builders/Test-Android-GCC-Ne....