Check if debug log is enabled before generate dashboard URL

[jeremyjiang-dev]

The PR will cut down the cost of generateDashboardURL and save ~10ms if debug log is disabled.

[google-oss-bot]

Coverage Report

Affected SDKs

No changes between base commit (1e58174) and head commit (2c610d9e).

Test Logs

• Base (1e58174c): https://android-ci.firebaseopensource.com/view/gcs/android-ci/logs/postsubmit-check-coverage/1443655694136905729
• Head (2c610d9e): https://android-ci.firebaseopensource.com/view/gcs/android-ci/pr-logs/pull/firebase_firebase-android-sdk/3019/check-coverage-changed/1443977944857841667

Notes

HTML coverage reports can be produced locally with ./gradlew <product>:checkCoverage.
Report files are located at <product-build-dir>/reports/jacoco/.

Head commit (2c610d9e) is created by Prow via merging commits: 1e58174 02b2645.

[google-oss-bot]

Binary Size Report

Affected SDKs

• firebase-perf

  Type	Base (1e58174)	Head (2c610d9e)	Diff
  aar	300 kB	300 kB	+15 B (+0.0%)
  apk (aggressive)	980 kB	980 kB	+80 B (+0.0%)
  apk (release)	2.45 MB	2.45 MB	-40 B (-0.0%)

Test Logs

• Base (1e58174c): https://android-ci.firebaseopensource.com/view/gcs/android-ci/logs/postsubmit-binary-size/1443655694136905730
• Head (2c610d9e): https://android-ci.firebaseopensource.com/view/gcs/android-ci/pr-logs/pull/firebase_firebase-android-sdk/3019/binary-size/1443977944857841664

Notes

Head commit (2c610d9e) is created by Prow via merging commits: 1e58174 02b2645.

[visumickey]

Wow! This is a steal. But something to think about is the cost of logging a message. Are we doing something wrong when we log messages? Worth pursuing with ACore/Android team to make sure they are aware of this.

[jeremyjiang-dev]

/test check-changed

[leotianlizhan]

LGTM!