Update bazlets to stable-2.15 revision to build with 2.15.4

Change-Id: I03b1e6d3e14d08faf080b24f2bbc3f2863612ca6
1 file changed
tree: 628fd60ffdc87393ad6c89a4786f1760277c3189
  1. src/
  2. tools/
  3. .bazelrc
  4. .gitignore
  5. bazlets.bzl
  6. BUILD
  7. WORKSPACE