Change bool, and string properties to *bool, and *string for cc

there's no use case for prepending/appending to bool, and string
properties within module struct. Declearing "*bool" and "*string" almost
cover everything user need.

Test: m -j checkbuild
Bug: b/68853585
Change-Id: I8342d4a43fb81f2842532ddb38fba414767ac82a