Switch to mockito-extended

Bug: 113806960
Test: Pass all presubmit tests in WmTests.
  $ tradefed.sh run commandAndExit WmTests \
      --include-annotation android.platform.test.annotations.Presubmit \
      --exclude-annotation androidx.test.filters.FlakyTest
Change-Id: Ie71e0f3d1abb221abf0343606e3d26254e7f9ac8
23 files changed