Do not preload java.util.ImmutableCollections.

It has static int field SALT which is responsible for randomization
of iterator order.

Bug: n/a
Test: device boots
Change-Id: I3f1f4b4d56f37495914be1967cf83bd138354e2f
Merged-In: I3f1f4b4d56f37495914be1967cf83bd138354e2f

config/preloaded-classes

@@ -14799,7 +14799,6 @@ java.util.ImmutableCollections$MapN
 java.util.ImmutableCollections$Set12
 java.util.ImmutableCollections$SetN
 java.util.ImmutableCollections$SubList
-java.util.ImmutableCollections
 java.util.InputMismatchException
 java.util.Iterator
 java.util.JumboEnumSet$EnumSetIterator

config/preloaded-classes-denylist

@@ -9,4 +9,5 @@ android.net.rtp.AudioGroup
 android.net.rtp.AudioStream
 android.net.rtp.RtpStream
 java.util.concurrent.ThreadLocalRandom
+java.util.ImmutableCollections
 com.android.internal.jank.InteractionJankMonitor$InstanceHolder