Make libF77blas buildable for native_bridge am: 938430171d am: 45e708a1d8 am: d2f82e2d6f

Original change: https://googleplex-android-review.googlesource.com/c/platform/external/eigen/+/11987781

Change-Id: I0663d58ca77c14934f012e12b89d394652fef333