Merge logtags from cc modules too

Merged logtags files will be used for Soong built filesystem images.

Bug: 336189540
Test: m out/soong/.intermediates/all-event-log-tags.txt
Test: m out/target/common/obj/all-event-log-tags.txt
Change-Id: Ib590c2bc8073e9acee6b45ef08092768237cf9d3