Update App Check SDKs to use v1 API.

[rosalyntan]

Switch the App Check SDKs over to using the v1 App Check APIs.

[google-oss-bot]

Coverage Report ¹

Affected Products

• firebase-appcheck

  Overall coverage changed from 81.05% (a751091) to 81.01% (f1ab503) by -0.04%.

  Filename	Base (a751091)	Merge (f1ab503)	Diff
  DefaultAppCheckToken.java	88.00%	87.76%	-0.24%

Test Logs

• Base (a751091): https://android-ci.firebaseopensource.com/view/gcs/android-ci/logs/postsubmit-check-coverage/1512139235497349121
• Merge (f1ab503): https://android-ci.firebaseopensource.com/view/gcs/android-ci/pr-logs/pull/firebase_firebase-android-sdk/3627/check-coverage-changed/1512147791856537602

Notes

• Commit (f1ab503) is created by Prow via merging PR base commit (a751091) and head commit (ef8aba6).
• Run gradle <product>:checkCoverage to produce HTML coverage reports locally. After gradle commands finished, report files can be found under <product-build-dir>/reports/jacoco/.

1. https://storage.googleapis.com/firebase-sdk-metric-reports/sCDLHvWYVA.html

[google-oss-bot]

Size Report ¹

Affected Products

• firebase-appcheck

  Type	Base (a751091)	Merge (f1ab503)	Diff
  aar	37.2 kB	37.1 kB	-71 B (-0.2%)
  apk (aggressive)	330 kB	330 kB	+12 B (+0.0%)
  apk (release)	973 kB	973 kB	-24 B (-0.0%)

• firebase-appcheck-debug

  Type	Base (a751091)	Merge (f1ab503)	Diff
  aar	11.2 kB	11.2 kB	-13 B (-0.1%)
  apk (aggressive)	330 kB	330 kB	+12 B (+0.0%)
  apk (release)	975 kB	975 kB	-16 B (-0.0%)

• firebase-appcheck-debug-testing

  Type	Base (a751091)	Merge (f1ab503)	Diff
  aar	6.69 kB	6.67 kB	-19 B (-0.3%)
  apk (aggressive)	331 kB	331 kB	-16 B (-0.0%)
  apk (release)	1.01 MB	1.01 MB	+76 B (+0.0%)

• firebase-appcheck-interop

  Type	Base (a751091)	Merge (f1ab503)	Diff
  aar	5.45 kB	5.43 kB	-14 B (-0.3%)
  apk (release)	962 kB	962 kB	+28 B (+0.0%)

• firebase-appcheck-safetynet

  Type	Base (a751091)	Merge (f1ab503)	Diff
  aar	11.7 kB	11.7 kB	-14 B (-0.1%)
  apk (aggressive)	330 kB	330 kB	+16 B (+0.0%)
  apk (release)	986 kB	986 kB	+100 B (+0.0%)

Test Logs

• Base (a751091): https://android-ci.firebaseopensource.com/view/gcs/android-ci/logs/postsubmit-binary-size/1512139235497349122
• Merge (f1ab503): https://android-ci.firebaseopensource.com/view/gcs/android-ci/pr-logs/pull/firebase_firebase-android-sdk/3627/binary-size/1512147791852343300

Notes

• Commit (f1ab503) is created by Prow via merging PR base commit (a751091) and head commit (ef8aba6).

1. https://storage.googleapis.com/firebase-sdk-metric-reports/HsiYN9WsIS.html

[rosalyntan]

/retest

[rosalyntan]

/test device-check-changed

[rosalyntan]

/test device-check-changed

[rosalyntan]

/test device-check-changed

[rosalyntan]

/test device-check-changed

[malcolmdeck]

LGTM!