[clang-tools] Symlink lib -> lib64 in prebuilts/clang-tools

Bug: http://b/241011085

Create symlink lib -> lib64 as toolchain libraries have a RUNPATH pointing
to $ORIGIN/../lib instead of lib64

Test: presubmit with new clang-tools prebuilts
Change-Id: I90973fc756b9489a16a0837473b86e728f50d8e0
1 file changed