Important migration for new ParsingPackage/ParsedPackage split

Part of the Parsing/ParsedPackage split into core/server.

This splits all the "important" changes, or those which change
significant code/logic and that requires a closer look during
review.

Bug: 135203078

Test: enumerated in first commit of change ID
		Ib4fe51d729a56bfb0ea1316e577358ba0dfceccf

Change-Id: Ie0e4394de2b3063121d850060fcd58622511c59d