Control revoke-on-upgrade behavior for loc perm

By default: Revoke on upgrade, but can be disabled by setting the
location_permissions_upgrade_to_Q_mode to anything but 0.

Fixes: 127285709
Test: Upgraded from P to Q with and without
      location_permissions_upgrade_to_Q_mode set
      atest --test-mapping frameworks/base/core/java/android/provider:presubmit
Change-Id: I4dd1772e78f46c881a5f747fcf61583beec2d6a2