Update tools.

This skips vs_toolchain.py because Chromium is now using VS2019, but we're
still testing 2015 and 2017.

Change-Id: Ib46eba76c8a3309d82be6e88e2baa4d8a93d222a
Reviewed-on: https://boringssl-review.googlesource.com/c/boringssl/+/40469
Commit-Queue: David Benjamin <davidben@google.com>
Reviewed-by: Adam Langley <agl@google.com>
diff --git a/util/bot/DEPS b/util/bot/DEPS
index fc88c32..8fe7b35 100644
--- a/util/bot/DEPS
+++ b/util/bot/DEPS
@@ -20,12 +20,12 @@
   'checkout_nasm': False,
   'checkout_libcxx': False,
 
-  'android_sdk_platform-tools_version': 'MSnxgXN7IurL-MQs1RrTkSFSb8Xd1UtZjLArI8Ty1FgC',
+  'android_sdk_platform-tools_version': 'Jxtur3_L9RzY4q79K-AwIahwFW4oi5uYVD5URx9h62wC',
 }
 
 deps = {
   'boringssl/util/bot/android_ndk': {
-    'url': Var('chromium_git') + '/android_ndk.git' + '@' + '89e8db0cdf323af8bc24de875d7d2a43a66bf10e',
+    'url': Var('chromium_git') + '/android_ndk.git' + '@' + '27c0a8d090c666a50e40fceb4ee5b40b1a2d3f87',
     'condition': 'checkout_android',
   },
 
@@ -44,18 +44,18 @@
     Var('chromium_git') + '/external/gyp.git' + '@' + 'd61a9397e668fa9843c4aa7da9e79460fe590bfb',
 
   'boringssl/util/bot/libFuzzer': {
-    'url': Var('chromium_git') + '/chromium/llvm-project/compiler-rt/lib/fuzzer.git' +'@' + 'b9f51dc8c98065df0c8da13c051046f5bab833db',
+    'url': Var('chromium_git') + '/chromium/llvm-project/compiler-rt/lib/fuzzer.git' +'@' + 'debe7d2d1982e540fbd6bd78604bf001753f9e74',
     'condition': 'checkout_fuzzer',
   },
 
   # Update the following revisions from
   # https://chromium.googlesource.com/chromium/src/+/master/buildtools/DEPS
   'boringssl/util/bot/libcxx': {
-    'url': Var('chromium_git') + '/chromium/llvm-project/libcxx.git' + '@' + '5938e0582bac570a41edb3d6a2217c299adc1bc6',
+    'url': Var('chromium_git') + '/external/github.com/llvm/llvm-project/libcxx.git' + '@' + 'd9040c75cfea5928c804ab7c235fed06a63f743a',
     'condition': 'checkout_libcxx',
   },
   'boringssl/util/bot/libcxxabi': {
-    'url': Var('chromium_git') + '/chromium/llvm-project/libcxxabi.git' + '@' + '0d529660e32d77d9111912d73f2c74fc5fa2a858',
+    'url': Var('chromium_git') + '/external/github.com/llvm/llvm-project/libcxxabi.git' + '@' + '196ba1aaa8ac285d94f4ea8d9836390a45360533',
     'condition': 'checkout_libcxx',
   },
 }
diff --git a/util/bot/go/bootstrap.py b/util/bot/go/bootstrap.py
index 61b9d43..06ab4c8 100755
--- a/util/bot/go/bootstrap.py
+++ b/util/bot/go/bootstrap.py
@@ -45,7 +45,7 @@
 EXE_SFX = '.exe' if sys.platform == 'win32' else ''
 
 # Pinned version of Go toolset to download.
-TOOLSET_VERSION = 'go1.13'
+TOOLSET_VERSION = 'go1.14.1'
 
 # Platform dependent portion of a download URL. See http://golang.org/dl/.
 TOOLSET_VARIANTS = {
diff --git a/util/bot/update_clang.py b/util/bot/update_clang.py
index 1ed40dc..ceeb265 100644
--- a/util/bot/update_clang.py
+++ b/util/bot/update_clang.py
@@ -19,8 +19,8 @@
 # CLANG_REVISION and CLANG_SUB_REVISION determine the build of clang
 # to use. These should be synced with tools/clang/scripts/update.py in
 # Chromium.
-CLANG_REVISION = '55c223a7ed522293cf9995d07d348368c345d1f2'
-CLANG_SVN_REVISION = 'n330255'
+CLANG_REVISION = '4e0d9925d6a3561449bdd8def27fd3f3f1b3fb9f'
+CLANG_SVN_REVISION = 'n346557'
 CLANG_SUB_REVISION = 1
 
 PACKAGE_VERSION = '%s-%s-%s' % (CLANG_SVN_REVISION, CLANG_REVISION[:8],