Always instantiate PowerMetricsReporter (except on Android)

PowerMetricsReporter was recently refactored to work even on platforms
without a BatteryLevelProvider implementation (where CPU metrics are
still reported, but battery metrics are skipped). It can thus now always
be instantiated.

Android is excluded because child CPU usage is not available on that
platform. For that same reason, this CL also changes ProcessMetricsRecorder to be excluded from Android platforms instead of
recording bogus values. This means that ProcessMonitor, which is only
used by those 2 classes, is also moved behind the Android conditional.

Bug: 1320817
Change-Id: Ia3ab383339a87256c5c6db83fac8fe87b067b48d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3642577
Reviewed-by: Francois Pierre Doray <fdoray@chromium.org>
Reviewed-by: Mark Pearson <mpearson@chromium.org>
Commit-Queue: Patrick Monette <pmonette@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1007381}
3 files changed
tree: 230e8ea12d5544866cb9d47c159f1588cb800f92
  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/
  22. fuchsia_webengine/
  23. gin/
  24. google_apis/
  25. google_update/
  26. gpu/
  27. headless/
  28. infra/
  29. ios/
  30. ipc/
  31. media/
  32. mojo/
  33. native_client_sdk/
  34. net/
  35. pdf/
  36. ppapi/
  37. printing/
  38. remoting/
  39. rlz/
  40. sandbox/
  41. services/
  42. skia/
  43. sql/
  44. storage/
  45. styleguide/
  46. testing/
  47. third_party/
  48. tools/
  49. ui/
  50. url/
  51. weblayer/
  52. .clang-format
  53. .clang-tidy
  54. .eslintrc.js
  55. .git-blame-ignore-revs
  56. .gitattributes
  57. .gitignore
  58. .gn
  59. .mailmap
  60. .rustfmt.toml
  61. .vpython
  62. .vpython3
  63. .yapfignore
  64. AUTHORS
  65. BUILD.gn
  66. CODE_OF_CONDUCT.md
  67. codereview.settings
  68. DEPS
  69. DIR_METADATA
  70. ENG_REVIEW_OWNERS
  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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