Make libF77blas buildable for native_bridge am: 938430171d

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

Change-Id: Ice183f13588de20c9b89a69a60aa4f3cc5f438b3
diff --git a/blas/Android.bp b/blas/Android.bp
index 13af44a..4d72be2 100644
--- a/blas/Android.bp
+++ b/blas/Android.bp
@@ -58,6 +58,8 @@
     vendor_available: true,
     defaults: ["eigen-defaults"],
     host_supported: true,
+    // TODO(b/153609531): remove when no longer needed.
+    native_bridge_supported: true,
 }
 
 // Build Eigen using API 9 toolchain for RS Support lib.