[Build] Update version.txt generation for high-end ARM64 Android devices.

High-end ARM64 build will be a build variant for Android Chrome
(Trichrome only). Supporting this requires new version number to be
allotted. This CL updates android_chrome_version.py to generate the
new version number, and updates related build files to accommodate.

The approach taken is to consider high-end ARM64 as yet another ABI, on
equal footing as {32, 32_64, 64_32, 64}, as "64_high" (given 9 for the
final digit). The addition breaks symmetry between ARM vs. Intel cases,
requiring additional CPU-based conditionals.

The TRICHROME vs. TRICHROME_BETA distinction also requires duplication
of the flag.

Details:
* During "gn_gen", for arm64 Android, write new items to
  android_chrome_versions.txt:

TrichromeChrome64High: ???????39
TrichromeChrome64HighOpenBeta: ???????49

  * android_chrome_version.py: Generate version code (only for
    arm64) and return then as keys them in

TRICHROME_64_HIGH_VERSION_CODE
TRICHROME_64_HIGH_BETA_VERSION_CODE

  * version.gni: |_version_dictionary_template| with the above, write
    to values to android_chrome_versions.txt, and forward them as:

trichrome_64_high_version_code
trichrome_64_high_beta_version_code

* Context: Build flag |is_high_end_android| (defined in
  chrome_build.gni) to True (only for |target_cpu| = "arm64") indicates
  intent to generate hign-end ARM64 build.
* In multiple .gni files: Copy |is_high_end_android| to decision var
  |_use_high_package_name_for_64bit_only_trichrome|, and uses it to
  to assign |_version_code| to the high-end ARM64 codes if specified
  (including TRICHROME_BETA case), in 4 instances.

Bug: 1291808

Change-Id: I11afe918a43e1a4b6b925751c50221ea58c60ade
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3938487
Commit-Queue: Samuel Huang <[email protected]>
Reviewed-by: Richard Coles <[email protected]>
Reviewed-by: Andrew Grieve <[email protected]>
Cr-Commit-Position: refs/heads/main@{#1067530}
8 files changed
tree: 55139cbef2864efebdd2bd3c4c92463bd79e0969
  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. courgette/
  16. crypto/
  17. dbus/
  18. device/
  19. docs/
  20. extensions/
  21. fuchsia_web/
  22. gin/
  23. google_apis/
  24. google_update/
  25. gpu/
  26. headless/
  27. infra/
  28. ios/
  29. ipc/
  30. media/
  31. mojo/
  32. native_client_sdk/
  33. net/
  34. pdf/
  35. ppapi/
  36. printing/
  37. remoting/
  38. rlz/
  39. sandbox/
  40. services/
  41. skia/
  42. sql/
  43. storage/
  44. styleguide/
  45. testing/
  46. third_party/
  47. tools/
  48. ui/
  49. url/
  50. weblayer/
  51. .clang-format
  52. .clang-tidy
  53. .eslintrc.js
  54. .git-blame-ignore-revs
  55. .gitattributes
  56. .gitignore
  57. .gn
  58. .mailmap
  59. .rustfmt.toml
  60. .vpython3
  61. .yapfignore
  62. AUTHORS
  63. BUILD.gn
  64. CODE_OF_CONDUCT.md
  65. codereview.settings
  66. DEPS
  67. DIR_METADATA
  68. ENG_REVIEW_OWNERS
  69. LICENSE
  70. LICENSE.chromium_os
  71. OWNERS
  72. PRESUBMIT.py
  73. PRESUBMIT_test.py
  74. PRESUBMIT_test_mocks.py
  75. README.md
  76. WATCHLISTS
README.md

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