Update submodule references.

This is an artificial commit to make dependencies specified in the DEPS file
visible to Codesearch.
This commit does not exist in the underlying repository.
diff --git a/build b/build
index a70d6d8..f2bd45e 160000
--- a/build
+++ b/build
@@ -1 +1 @@
-Subproject commit a70d6d851bd975b7fcc71f80c085c235f13a2918
+Subproject commit f2bd45e6e88da0315a389fcd7dddd8c0ef4c3815
diff --git a/testing b/testing
index ba52e2f..664e23d 160000
--- a/testing
+++ b/testing
@@ -1 +1 @@
-Subproject commit ba52e2f4c465d3ab853041f6e0b92511c332580e
+Subproject commit 664e23d95dea803e54d373a35f627836b04ad8ab
diff --git a/third_party b/third_party
index b42b5a8..86359e2 160000
--- a/third_party
+++ b/third_party
@@ -1 +1 @@
-Subproject commit b42b5a89546acfbfbf3c4a8904acf3fb2165dac9
+Subproject commit 86359e278dd94045ce69cfb0507e4ef4483faf36
diff --git a/tools b/tools
index 9fac501..5d01fa2 160000
--- a/tools
+++ b/tools
@@ -1 +1 @@
-Subproject commit 9fac50191db847eca7822ab8cdd45596a5855c0e
+Subproject commit 5d01fa2a2c11f2d0418bf5e599abdbbc484e60c2