Fixed collapsed properties to work under code splitting.

CollapsedPropertyHolder.getPermutationId might have ended up in
an exclusive fragment but was is needed in the initial download.

This fix makes CollapsedPropertyHolder an ImmortalCodeGen type.

Bug: issue 8539.
Change-Id: Ied8a2032fa3f5603728d35c3d4351b37d1258ab3
4 files changed