Do not autoroll gradle and roll gradle back to 3.5.0.

DEPS

 # This file contains dependencies for WebRTC.
 
 vars = {
   'chromium_git': 'https://chromium.googlesource.com',
   'chromium_revision': '17c3a61f0cf073a39f4d538c442b5885ce2b06ac',
   'boringssl_git': 'https://boringssl.googlesource.com',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling swarming_client
   # and whatever else without interference from each other.
   'swarming_revision': 'e6fc9383ad7c38b3464141989b7bc498391e57e4',
@@ skipping 100 matching lines @@
     'src/third_party/requests/src':
       Var('chromium_git') + '/external/github.com/kennethreitz/requests.git' + '@' + 'f172b30356d821d180fa4ecfa3e71c7274a32de4',
     'src/third_party/robolectric/robolectric':
       Var('chromium_git') + '/external/robolectric.git' + '@' + '2a0b6ba221c14f3371813a676ce06143353e448d',
     'src/third_party/ub-uiautomator/lib':
       Var('chromium_git') + '/chromium/third_party/ub-uiautomator.git' + '@' + '00270549ce3161ae72ceb24712618ea28b4f9434',
 
     # Gradle 3.5.0. Used for testing Android Studio project generation for WebRTC.
     'src/webrtc/examples/androidtests/third_party/gradle':
       Var('chromium_git') + '/external/github.com/gradle/gradle.git' + '@' +
-      'f0033cd6fdde56471115e18b15261b92f0ec0629',
+      'b762622a185d59ce0cfc9cbc6ab5dd22469e18a6',
   },
   'ios': {
     'src/ios':
       Var('chromium_git') + '/chromium/src/ios' + '@' + 'c63cb8923d637ec2b80417db8c1973a83e4a647d',
   },
   'unix': {
     'src/third_party/lss':
       Var('chromium_git') + '/linux-syscall-support.git' + '@' + Var('lss_revision'),
   },
   'win': {
@@ skipping 384 matching lines @@
   },
 ]
 
 recursedeps = [
   # buildtools provides clang_format, libc++, and libc++abi.
   'src/buildtools',
   # android_tools manages the NDK.
   'src/third_party/android_tools',
 ]