Revert of [NaCl SDK] Remove support for bionic toolchain

Revert of [NaCl SDK] Remove support for bionic toolchain (patchset #3 id:40001 of https://codereview.chromium.org/1269623004/ )

Reason for revert:
Breaks Linux x64 compile: https://build.chromium.org/p/chromium/builders/Linux%20x64


Log:
ninja: error: '../../native_client_sdk/src/libraries/nacl_io/kernel_wrap_bionic.cc', needed by 'newlib_pnacl/obj/native_client_sdk/src/libraries/nacl_io/nacl_io/kernel_wrap_bionic.o', missing and no known rule to make it


Original issue's description:
> [NaCl SDK] Remove support for bionic toolchain
> 
> CQ_EXTRA_TRYBOTS=tryserver.chromium.linux:linux_nacl_sdk;tryserver.chromium.mac:mac_nacl_sdk;tryserver.chromium.win:win_nacl_sdk
> 
> Committed: https://crrev.com/2bd1f02649d6fe8b0a5616932e40b67478c58174
> Cr-Commit-Position: refs/heads/master@{#362454}

TBR=binji@chromium.org,sbc@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

BUG=564214

[gab, 2015-12-01 20:01:31]

Created Revert of [NaCl SDK] Remove support for bionic toolchain

[gab, 2015-12-01 20:01:47]

Description was changed from

==========
Revert of [NaCl SDK] Remove support for bionic toolchain (patchset #3 id:40001
of https://codereview.chromium.org/1269623004/ )

Reason for revert:
Breaks Linux x64 compile:
https://build.chromium.org/p/chromium/builders/Linux%20x64


Log:
ninja: error:
'../../native_client_sdk/src/libraries/nacl_io/kernel_wrap_bionic.cc', needed by
'newlib_pnacl/obj/native_client_sdk/src/libraries/nacl_io/nacl_io/kernel_wrap_bionic.o',
missing and no known rule to make it


Original issue's description:
> [NaCl SDK] Remove support for bionic toolchain
> 
>
CQ_EXTRA_TRYBOTS=tryserver.chromium.linux:linux_nacl_sdk;tryserver.chromium.mac:mac_nacl_sdk;tryserver.chromium.win:win_nacl_sdk
> 
> Committed: https://crrev.com/2bd1f02649d6fe8b0a5616932e40b67478c58174
> Cr-Commit-Position: refs/heads/master@{#362454}

TBR=binji@chromium.org,sbc@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
==========

to

==========
Revert of [NaCl SDK] Remove support for bionic toolchain (patchset #3 id:40001
of https://codereview.chromium.org/1269623004/ )

Reason for revert:
Breaks Linux x64 compile:
https://build.chromium.org/p/chromium/builders/Linux%20x64


Log:
ninja: error:
'../../native_client_sdk/src/libraries/nacl_io/kernel_wrap_bionic.cc', needed by
'newlib_pnacl/obj/native_client_sdk/src/libraries/nacl_io/nacl_io/kernel_wrap_bionic.o',
missing and no known rule to make it


Original issue's description:
> [NaCl SDK] Remove support for bionic toolchain
> 
>
CQ_EXTRA_TRYBOTS=tryserver.chromium.linux:linux_nacl_sdk;tryserver.chromium.mac:mac_nacl_sdk;tryserver.chromium.win:win_nacl_sdk
> 
> Committed: https://crrev.com/2bd1f02649d6fe8b0a5616932e40b67478c58174
> Cr-Commit-Position: refs/heads/master@{#362454}

TBR=binji@chromium.org,sbc@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

BUG=564214
==========

[gab, 2015-12-01 20:01:51]

The CQ bit was checked by gab@chromium.org

[gab, 2015-12-01 20:03:51]

The CQ bit was unchecked by gab@chromium.org

[commit-bot: I haz the power, 2015-12-01 20:04:05]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1486003004/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1486003004/1

[commit-bot: I haz the power, 2015-12-01 20:10:53]

The CQ bit was unchecked by commit-bot@chromium.org