Add macros for non-module license metadata and deps

Gets rid of .meta_module files and instead defers emitting rules until
after all the non-module targets have been processed. Allows direct
dependency on .meta_lic files, which in turn depend on license text
files.

Bug: 68860345
Bug: 151177513
Bug: 151953481

Test: m all
Test: m systemlicense
Test: m reportmissinglicenses

Change-Id: I2c467feac6e13a9366ff66f924889f1dbd48c3f1