AAPT: Fixed split resource dumping

AAPT would not print resource values for splits passed in with the -I
flag. This fix prints out each split separately with the correct type
specs and values.

Bug: 79195967
Test: aapt dump --values -I base-hdpi.apk resources base-master.apk
Change-Id: I223186136e98180fec4a3d96f92f53407db59e2d