Tweak linux_glibc properties for musl builds in external/virglrenderer am: cf1de0f462 am: f6c12bd7e3

Original change: https://android-review.googlesource.com/c/platform/external/virglrenderer/+/2019635

Change-Id: Ib9c8bd0178814d8ec850061b3c2f6a5e03f0a249