RUM-13468: Add totalRam, logicalCpuCount and isLowRam to DeviceInfo

[marco-saia-datadog]

What does this PR do?

Adds new attributes to the Device Info:

• totalRam: The total RAM in megabytes
• processorCount: Number of logical CPU cores available for scheduling on the device at runtime, as reported by the operating system.
• isLowRam: Whether the device is considered a low RAM device (from ActivityManager.isLowRamDevice)

Additional Notes

• The relevant schemas have been modified locally
• PR in rum-events-format: [FEAT] Added new attributes to RUM Device Info rum-events-format#323
• PR in rum-events-format: RUM-12199: Device Capabilities Attributes Refactoring rum-events-format#337 (refactoring)

Review checklist (to be filled by reviewers)

• Feature or bugfix MUST have appropriate tests (unit, integration, e2e)
• Make sure you discussed the feature or bugfix with the maintaining team in an Issue
• Make sure each commit and the PR mention the Issue number (cf the CONTRIBUTING doc)

[codecov-commenter]

Codecov Report

❌ Patch coverage is 78.65169% with 19 lines in your changes missing coverage. Please review.
✅ Project coverage is 70.99%. Comparing base (39d8b4a) to head (a95c0f6).
⚠️ Report is 4 commits behind head on develop.

Files with missing lines	Patch %	Lines
...core/internal/system/DefaultAndroidInfoProvider.kt	18.75%	13 Missing ⚠️
...tadog/android/core/internal/NoOpContextProvider.kt	0.00%	3 Missing ⚠️
...id/core/internal/system/NoOpAndroidInfoProvider.kt	0.00%	3 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #3024      +/-   ##
===========================================
+ Coverage    70.96%   70.99%   +0.03%     
===========================================
  Files          912      912              
  Lines        33548    33628      +80     
  Branches      5640     5640              
===========================================
+ Hits         23804    23871      +67     
- Misses        8173     8184      +11     
- Partials      1571     1573       +2     

Files with missing lines	Coverage Δ
...tlin/com/datadog/android/api/context/DeviceInfo.kt	100.00% <100.00%> (ø)
...og/android/core/internal/DatadogContextProvider.kt	97.92% <100.00%> (+0.14%)	⬆️
...android/log/internal/domain/DatadogLogGenerator.kt	97.71% <100.00%> (+0.03%)	⬆️
...g/android/rum/internal/DatadogLateCrashReporter.kt	90.64% <100.00%> (+1.64%)	⬆️
...ndroid/rum/internal/domain/scope/RumActionScope.kt	96.65% <100.00%> (+0.05%)	⬆️
...roid/rum/internal/domain/scope/RumResourceScope.kt	91.50% <100.00%> (+1.01%)	⬆️
.../android/rum/internal/domain/scope/RumViewScope.kt	93.88% <100.00%> (-0.87%)	⬇️
...ernal/domain/scope/RumVitalAppLaunchEventHelper.kt	89.00% <100.00%> (+0.34%)	⬆️
...ndroid/telemetry/internal/TelemetryEventHandler.kt	88.10% <100.00%> (-0.18%)	⬇️
...trace/internal/domain/event/BaseSpanEventMapper.kt	72.73% <100.00%> (+9.31%)	⬆️
... and 3 more

... and 29 files with indirect coverage changes

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[0xnm]

LGTM, just some minor cleanup is needed.

[0xnm]

I believe these two are nullable because the API we use to get this info may not return the data?

UPD: I see, it is due to the exception handling.

[0xnm]

neat! we indeed can use it now since min API is 23.

[0xnm]

this is a debugging leftover and should be removed

[0xnm]

Afaik this was to avoid losing precision in the floating point values between serialization/deserialization roundtrip, so it is not needed for the integer values. Same for other deserialized assertions below.