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