Add a temporary symlink

Symlink libc++.so -> libc++.so.1 so goma can import the new prebuilts.
We should revert this next week once the importer is fixed.

Bug: http://b/74121379
Test: N/A
Change-Id: I4ba96be0b77da16e00d9e0c6efe46a4f30fcb96a
1 file changed