build: Roll GN DEPS file

Sync standalone GN toolchain revisions with current ANGLE revisions

build-gn/DEPS

@@ -4,20 +4,20 @@ vars = {
 
 deps = {
 
-  './build': {
-    'url': '{chromium_git}/chromium/src/build.git@a660b0b9174e3a808f620222017566e8d1b2669b',
+  'build': {
+    'url': '{chromium_git}/chromium/src/build.git@45ab3c89af6fc3126b0ca5a7836f0db85ad1ba0e',
   },
 
-  './buildtools': {
-    'url': '{chromium_git}/chromium/src/buildtools.git@459baaf66bee809f6eb288e0215cf524f4d2429a',
+  'buildtools': {
+    'url': '{chromium_git}/chromium/src/buildtools.git@204a35a2a64f7179f8b76d7a0385653690839e21',
   },
 
-  './testing': {
-    'url': '{chromium_git}/chromium/src/testing@083d633e752e7a57cbe62a468a06e51e28c49ee9',
+  'testing': {
+    'url': '{chromium_git}/chromium/src/testing@3993ef1f527b206d8d3bf3f9824f4fe0e4bbdb0e',
   },
 
-  './tools/clang': {
-    'url': '{chromium_git}/chromium/src/tools/clang.git@3114fbc11f9644c54dd0a4cdbfa867bac50ff983',
+  'tools/clang': {
+    'url': '{chromium_git}/chromium/src/tools/clang.git@04b99e7bf9160d551c3a5562f583014b6afc90f9',
   },
 
 }
@@ -33,25 +33,25 @@ hooks = [
                 '--platform=linux*',
                 '--no_auth',
                 '--bucket', 'chromium-clang-format',
-                '-s', './buildtools/linux64/clang-format.sha1',
+                '-s', 'buildtools/linux64/clang-format.sha1',
     ],
   },
   {
     'name': 'sysroot_x64',
     'pattern': '.',
     'condition': 'checkout_linux and checkout_x64',
-    'action': ['python', './build/linux/sysroot_scripts/install-sysroot.py',
+    'action': ['python', 'build/linux/sysroot_scripts/install-sysroot.py',
                '--arch=x64'],
   },
   {
     # Note: On Win, this should run after win_toolchain, as it may use it.
     'name': 'clang',
     'pattern': '.',
-    'action': ['python', './tools/clang/scripts/update.py'],
+    'action': ['python', 'tools/clang/scripts/update.py'],
   },
 ]
 
 recursedeps = [
   # buildtools provides clang_format.
-  './buildtools',
+  'buildtools',
 ]