Add more files to the musl sysroot for rustc builds am: 76db034975 am: 8d59cc3dff am: 4a185dd7b5

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

Change-Id: Ic905f777b016b7e1f2d1b4920bda725d5ab73daa
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>