Add kernel-next to the manifest based on chromeos-2.6.35 branch

oldlayout.xml

 <?xml version="1.0" encoding="UTF-8"?>
 <manifest>
   <remote  name="cros"
            fetch="http://git.chromium.org/git"
            review="codereview.chromium.org" />
   <default revision="refs/heads/master"
            remote="cros" />
 
   <project path="src/platform/acpi" name="acpi" />
   <project path="src/platform/assets" name="assets" />
@@ skipping 59 matching lines @@
 
   <project path="src/third_party/autotest/files" name="autotest" />
   <project path="src/third_party/ibus-chewing/files" name="ibus-chewing" />
   <project path="src/third_party/ibus-pinyin/files" name="ibus-pinyin" />
   <project path="src/third_party/ibus-xkb-layouts/files" name="ibus-xkb-layouts" />
   <project path="src/third_party/pam-dev" name="pam-dev" />
   <project path="src/third_party/tpm" name="tpm" />
   <project path="src/third_party/tpm-emulator" name="tpm-emulator" />
   <project path="src/third_party/trousers" name="trousers" />
   <project path="src/third_party/kernel/files" name="kernel" />
+  <project path="src/third_party/kernel-next" name="kernel-next" revision="refs/heads/chromeos-2.6.35" />
 <!--
   <project path="src/third_party/kernel-qualcomm" name="kernel" revision="origin/qualcomm-2.6.31.12"/>
   <project path="src/third_party/kernel-nvidia" name="kernel" revision="origin/nvidia-2.6.31.12"/>
 -->
   <project path="src/third_party/flimflam" name="flimflam" />
   <project path="src/third_party/gpt" name="gpt" />
   <project path="src/third_party/xf86-video-msm" name="xf86-video-msm" />
   <project path="src/third_party/upstart/files" name="upstart" />
   <project path="src/third_party/u-boot/files" name="u-boot" />
   <project path="src/third_party/wpa_supplicant" name="hostap" />
   <project path="src/third_party/portage" name="portage" />
   <project path="src/third_party/chromiumos-overlay" name="chromiumos-overlay" />
   <project path="src/third_party/laptop-mode-tools" name="laptop-mode-tools" />
   <project path="src/third_party/modemmanager" name="modemmanager" />
   <project path="src/third_party/libresample" name="libresample" />
   <project path="src/third_party/rootdev" name="rootdev" />
   <project path="src/third_party/grub2" name="grub2" />
   <project path="src/third_party/dbus-c++" name="dbus-cplusplus" />
 </manifest>