Fix the linkerconfig host binary to not depend on libc++.so.

Test: build/soong/scripts/build-aml-prebuilts.sh runtime-module-host-exports
  Check with ldd that the linkerconfig binary in
  out/aml/soong/mainline-sdks/runtime-module-host-exports-current.zip
  isn't missing any DSO's.
Bug: 145934348
Change-Id: I08676a5d9c7ec3e76462fb74e882f81802528b98
1 file changed