Add more files to the musl sysroot for rustc builds am: 76db034975

Original change: https://android-review.googlesource.com/c/platform/external/musl/+/2063092

Change-Id: I8e88191255396ba8baaa79bee290bfedc39a3a83
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>