Merge "Add fmtlib_ndk back to the deny list because it fails in mixed builds...

Merge "Add fmtlib_ndk back to the deny list because it fails in mixed builds postsubmit." am: 1ea9624f am: 4949451e

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/1693785

Change-Id: Ib720f5a5c38616a669a5b6303cb7a831a3f842bf