Disable verifying apk installed from adb

Without this change, the verifier may hold the fd of installed apk and
prevents the cache eviction. The existing retry loop up to 5 seconds is
not sufficient.

Also removed an obsolete verifier setting.

Test: com.android.apkverity.ApkVerityTest#testInstallSplitOnly succeeded
      100% (75+ times).
Bug: 146350859

Change-Id: Ia7d42ab6efcb42de83626f1d63bff5a8adc6c1a6