Update instructions to point back to the AOSP tree
Update instructions to point back to the AOSP tree

Change-Id: I614572429c01fc8a10219f5950f239c8c7a8b479

google/android-cuttlefish,google/android-cuttlefish,google/android-cuttlefish,google/android-cuttlefish,google/android-cuttlefish,google/android-cuttlefish,google/android-cuttlefish