Check out with -j1 and longer timeout for bare metal win32 nacl builders.
Check out with -j1 and longer timeout for bare metal win32 nacl builders.

Several bare metal nacl builders were unable to successfully
complete the initial git sync in the alloted time.

Switching them to -j1 and a longer timeout.

BUG=https://code.google.com/p/nativeclient/issues/detail?id=3928
TEST=live on master3
TBR=agable@chromium.org

Review URL: https://codereview.chromium.org/841903003

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@293570 0039d316-1c4b-4281-b951-d872f2087c98

eunchong/build,eunchong/build,eunchong/build,eunchong/build