Update V8 DEPS.

Rolling v8/build: https://chromium.googlesource.com/chromium/src/build/+log/524030d..a72af28

Rolling v8/tools/clang: https://chromium.googlesource.com/chromium/src/tools/clang/+log/adc6ac4..82dbc02

TBR=machenbach@chromium.org,hablich@chromium.org,sergiyb@chromium.org

Change-Id: Ie4d1344c408d094000b7a2c4f61ba6bcdbf20085
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1547413Reviewed-by: v8-ci-autoroll-builder <v8-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com>
Commit-Queue: v8-ci-autoroll-builder <v8-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#60537}

DEPS

@@ -57,7 +57,7 @@ vars = {
 
 deps = {
   'v8/build':
-    Var('chromium_url') + '/chromium/src/build.git' + '@' + '524030d844da02acfd3cd744db5d8e21e4b56946',
+    Var('chromium_url') + '/chromium/src/build.git' + '@' + 'a72af28e1c85da995fc8ed81e098253283629feb',
   'v8/third_party/depot_tools':
     Var('chromium_url') + '/chromium/tools/depot_tools.git' + '@' + '8d3ba46327207c40e66b4ec818cec077f0ac08cf',
   'v8/third_party/icu':
@@ -206,7 +206,7 @@ deps = {
       'dep_type': 'cipd',
   },
   'v8/tools/clang':
-    Var('chromium_url') + '/chromium/src/tools/clang.git' + '@' + 'adc6ac450cea4f39ec778437696afbcd163d2a93',
+    Var('chromium_url') + '/chromium/src/tools/clang.git' + '@' + '82dbc02fe15cd9b2cd868f73e8ffdc62398f3ffe',
   'v8/tools/luci-go': {
       'packages': [
         {