[M137] Disable SyncSupportAlwaysSyncingPriorityPreferences on ChromeOS

With the flag enabled, priority prefs are decoupled from user toggle and
always be synced on ChromeOS, because DualLayerUserPrefStore (which
handles accounting for the user toggle) is not used on ChromeOS yet.

This CL disables the feature flag to preserve the old behavior. This
will be re-enabled once B4Prefs is launched on ChromeOS.

(cherry picked from commit 389d766812a25c0ecc6af4ca29ad0dfc7629512c)

Bug: 418991364
Fixed: 419187519,419200401
Change-Id: I9e3cae229a19bc6ccfb88737e4aea94326500aa1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6565971
Reviewed-by: Mikel Astiz <mastiz@chromium.org>
Auto-Submit: Ankush Singh <ankushkush@google.com>
Commit-Queue: Ankush Singh <ankushkush@google.com>
Cr-Original-Commit-Position: refs/heads/main@{#1463281}
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6579009
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Commit-Queue: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Cr-Commit-Position: refs/branch-heads/7151@{#1531}
Cr-Branched-From: 8e0d32ed6e49a2415b16e5ed402957cac2349ce2-refs/heads/main@{#1453031}
1 file changed
tree: 8374b8d4f3303643f2433b043e9a4359294d7a9f
  1. android_webview/
  2. apps/
  3. ash/
  4. base/
  5. build/
  6. build_overrides/
  7. buildtools/
  8. cc/
  9. chrome/
  10. chromecast/
  11. chromeos/
  12. codelabs/
  13. components/
  14. content/
  15. crypto/
  16. dbus/
  17. device/
  18. docs/
  19. extensions/
  20. fuchsia_web/
  21. gin/
  22. google_apis/
  23. gpu/
  24. headless/
  25. infra/
  26. ios/
  27. ipc/
  28. media/
  29. mojo/
  30. native_client_sdk/
  31. net/
  32. pdf/
  33. ppapi/
  34. printing/
  35. remoting/
  36. rlz/
  37. sandbox/
  38. services/
  39. skia/
  40. sql/
  41. storage/
  42. styleguide/
  43. testing/
  44. third_party/
  45. tools/
  46. ui/
  47. url/
  48. webkit/
  49. .clang-format
  50. .clang-tidy
  51. .clangd
  52. .git-blame-ignore-revs
  53. .gitallowed
  54. .gitattributes
  55. .gitignore
  56. .gitmodules
  57. .gn
  58. .mailmap
  59. .rustfmt.toml
  60. .vpython3
  61. .yapfignore
  62. ATL_OWNERS
  63. AUTHORS
  64. BUILD.gn
  65. CODE_OF_CONDUCT.md
  66. codereview.settings
  67. CPPLINT.cfg
  68. CRYPTO_OWNERS
  69. DEPS
  70. DIR_METADATA
  71. LICENSE
  72. LICENSE.chromium_os
  73. OWNERS
  74. PRESUBMIT.py
  75. PRESUBMIT_test.py
  76. PRESUBMIT_test_mocks.py
  77. README.md
  78. WATCHLISTS
README.md

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