Use Gradle lazy API more

[0xnm]

What does this PR do?

Inspired by the similar PR in the mobile app repository, which in turn was inspired by http://melix.github.io/blog/2022/05/gradle-laziness.html.

Replaces some tasks creation APIs with the lazy variant.

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

Merging #996 (5084d1e) into feature/sdkv2 (17cb5c7) will increase coverage by 0.05%.
The diff coverage is n/a.

@@                Coverage Diff                @@
##           feature/sdkv2     #996      +/-   ##
=================================================
+ Coverage          82.90%   82.95%   +0.05%     
=================================================
  Files                296      296              
  Lines               9841     9841              
  Branches            1603     1603              
=================================================
+ Hits                8158     8163       +5     
+ Misses              1195     1193       -2     
+ Partials             488      485       -3     

Impacted Files	Coverage Δ
...android/rum/internal/ndk/DatadogNdkCrashHandler.kt	86.70% <0.00%> (-0.53%)	⬇️
...rc/main/java/com/datadog/opentracing/DDTracer.java	55.65% <0.00%> (-0.42%)	⬇️
...android/v2/core/internal/DatadogContextProvider.kt	81.03% <0.00%> (ø)
...rsistence/file/batch/PlainBatchFileReaderWriter.kt	91.18% <0.00%> (+5.88%)	⬆️
...android/log/internal/logger/TelemetryLogHandler.kt	100.00% <0.00%> (+25.00%)	⬆️