Add CollationRoot to preloaded classes

It was determined this would save RAM.

Test: ./generate-preloaded-classes.sh base.txt preloaded-classes-blacklist preloaded-classes-extra  > preloaded-classes
Test: Look at the generated file
Bug: 63444758
Change-Id: Ib49b1218e94e4a4a2211071da189cf917559248b
diff --git a/config/preloaded-classes b/config/preloaded-classes
index b6be0ee..1c842c7 100644
--- a/config/preloaded-classes
+++ b/config/preloaded-classes
@@ -13,8 +13,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-#
-#
 # Preloaded-classes filter file for phones.
 #
 # Classes in this file will be allocated into the boot image, and forcibly initialized in
@@ -1454,6 +1452,7 @@
 android.icu.impl.UResource$Table
 android.icu.impl.UResource$Value
 android.icu.impl.Utility
+android.icu.impl.coll.CollationRoot
 android.icu.impl.locale.AsciiUtil
 android.icu.impl.locale.BaseLocale
 android.icu.impl.locale.BaseLocale$Cache
@@ -2276,7 +2275,6 @@
 android.util.Base64$Coder
 android.util.Base64$Decoder
 android.util.Base64$Encoder
-android.util.TimingsTraceLog
 android.util.ContainerHelpers
 android.util.DisplayMetrics
 android.util.EventLog
@@ -2328,6 +2326,7 @@
 android.util.StateSet
 android.util.SuperNotCalledException
 android.util.TimeUtils
+android.util.TimingsTraceLog
 android.util.TypedValue
 android.util.Xml
 android.util.jar.StrictJarFile