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: Iba698384354d45669858a3433a69830e6468a198