Allow updating TIMES_CONTACTED again.

Explicitly setting to TIMES_CONTACTED was allowed on pre-N builds.

We tried to disable it for O, but turned out some system apps are using it.

Let's re-open it.

Test: adb shell am instrument -w com.android.providers.contacts.tests
Test: adb shell am instrument -w -e package android.provider.cts.contacts     android.provider.cts/android.support.test.runner.AndroidJUnitRunner
Bug: 35321783
Change-Id: I07af087256cc9908b031bd8dfbd9fad479d4681f
2 files changed