Get all our k8 clang tools loading downloaded .sos

This is the last piece to make `bazel test //...` work on a barebones
Stretch system.

Change-Id: Ifa6d446dc6992cca35d4a333fb9bf6a10fddcd2e
diff --git a/tools/cpp/clang_3p6/x86_64-linux-gnu-strip b/tools/cpp/clang_3p6/x86_64-linux-gnu-strip
index 0817069..c53f8dd 100755
--- a/tools/cpp/clang_3p6/x86_64-linux-gnu-strip
+++ b/tools/cpp/clang_3p6/x86_64-linux-gnu-strip
@@ -1,5 +1,9 @@
 #!/bin/bash --norc
 
+LD_LIBRARY_PATH="${BAZEL_OUTPUT_ROOT}external/clang_3p6_repo/usr/lib/x86_64-linux-gnu"
+LD_LIBRARY_PATH+=":${BAZEL_OUTPUT_ROOT}external/clang_3p6_repo/usr/lib"
+export LD_LIBRARY_PATH
+
 exec -a strip \
   ${BAZEL_OUTPUT_ROOT}external/clang_3p6_repo/usr/bin/strip \
   "$@"