Implement mixed builds for apex modules.

* Add ApexCqueryInfo to obtain apex artifacts used by the makefile
  generator and downstream modules
* Refactor code common to GenerateAndroidBuildActions and ProcessBazelQueryResponse
* Implement android.MixedBuildBuildable for modules
* Enable mixed build for apex modules with payload_type:"image"

Bug: 232085015
Test: treehugger
Change-Id: I9f1e03e5e7a5b5dde35a5db10c253069543ac973