manifest: Switch to our fork of art

    <linkfile src="root.bp" dest="Android.bp" />

    <linkfile src="bootstrap.bash" dest="bootstrap.bash" />

  </project>

  <project path="art" name="platform/art" groups="pdk" remote="aosp" />

  <project path="art" name="LineageOS/android_art" groups="pdk" />

  <project path="bionic" name="LineageOS/android_bionic" groups="pdk" />

  <project path="bootable/recovery" name="LineageOS/android_bootable_recovery" groups="pdk" />

  <project path="bootable/libbootloader" name="platform/bootable/libbootloader" groups="vts,pdk" remote="aosp" />