Feature/re enable log reporting

[cthomas-newrelic]

For mobile logging (iOS and Android):

• Agents should default to logging: off.
• Remote configuration takes precedence over local agent feature flag setting.
• Same for sample rate and log level settings.
• Values from connect drive logging agent features.

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 76.86567% with 31 lines in your changes missing coverage. Please review.

Project coverage is 56.23%. Comparing base (2c87b7d) to head (3ff3492).

Files	Patch %	Lines
...om/newrelic/agent/android/logging/LogReporter.java	81.00%	7 Missing and 12 partials :warning:
...a/com/newrelic/agent/android/AndroidAgentImpl.java	44.44%	2 Missing and 3 partials :warning:
...wrelic/agent/android/logging/MessageValidator.java	40.00%	1 Missing and 2 partials :warning:
...main/java/com/newrelic/agent/android/NewRelic.java	33.33%	2 Missing :warning:
...m/newrelic/agent/android/logging/LogForwarder.java	83.33%	1 Missing :warning:
...m/newrelic/agent/android/logging/RemoteLogger.java	83.33%	1 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## release/7.5.0 #246 +/- ## =================================================== + Coverage 53.51% 56.23% +2.71% - Complexity 3145 3282 +137 =================================================== Files 324 324 Lines 16532 16574 +42 Branches 1814 1827 +13 =================================================== + Hits 8847 9320 +473 + Misses 6734 6245 -489 - Partials 951 1009 +58 ```

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