Update weak-table to 0.3.2

Test: cd external/rust/crates && atest --host -c
Change-Id: I9aa0464a12ee3690359baabf03ca883b6240f556
diff --git a/.cargo_vcs_info.json b/.cargo_vcs_info.json
index 6f8967e..bace32e 100644
--- a/.cargo_vcs_info.json
+++ b/.cargo_vcs_info.json
@@ -1,5 +1,5 @@
 {
   "git": {
-    "sha1": "80489689035c908f1096c07a8a0c51250f3dc979"
+    "sha1": "c4ac207b8f266ff3becd123f693f07536b97d088"
   }
 }