Android U Beta 2 GPL
Merge "Update Eigen metadata." am: 70bf30e28d am: 96900fb9a6 am: b9c41e0824 am: b49bddfd5c

Original change: https://android-review.googlesource.com/c/platform/external/eigen/+/2176530

Change-Id: If9a15dfd2a81b5dd416f6d08310a2ccbc811b46e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>