Some non-phone form factors don't want cameraserver to save storage and RAM.
Pushing it down to handheld and other build files allows selective inclusion to
happen there.
Intended to be a no-op refactoring, will disable for ATV in a follow-up CL.
Bug: 118369095
Test: built system image for random device as smoke test
Change-Id: I260fa5c9e512341d6a6824afebd5e8273fa5e66c
Merged-In: I260fa5c9e512341d6a6824afebd5e8273fa5e66c
Add handheld_system and handheld_vendor makefiles which
together make up generic_no_telephony. Document what belongs
in these files.
Also update mainline_system to inherit handheld_system.
Bug: 80410283
Test: lunch mainline_arm64; m nothing
Change-Id: Ic2f7b3dcaddc2c86a1187a394aebe8dfd86465ee
Merged-In: Ic2f7b3dcaddc2c86a1187a394aebe8dfd86465ee
Patrik Fimml