Migrate away from deprecated Truth APIs.

This is a transitional step towards truth 1.0.1, where these APIs have
been completely removed.

Bug: 168765701
Test: m checkbuild
Change-Id: I76f9c37cb699ce6ab8715ffe35d11668ccbceea1

tests/robotests/src/com/android/settings/DisplaySettingsTest.java

@@ -35,6 +35,6 @@ public class DisplaySettingsTest {
         // Nightmode is currently hidden
         preferenceKeys.remove("night_mode");
 
-        assertThat(preferenceScreenKeys).containsAllIn(preferenceKeys);
+        assertThat(preferenceScreenKeys).containsAtLeastElementsIn(preferenceKeys);
     }
 }