Merge "cutils: trace: add DATABASE tag"

#define ATRACE_TAG_POWER            (1<<17)

#define ATRACE_TAG_PACKAGE_MANAGER  (1<<18)

#define ATRACE_TAG_SYSTEM_SERVER    (1<<19)

#define ATRACE_TAG_LAST             ATRACE_TAG_SYSTEM_SERVER

#define ATRACE_TAG_DATABASE         (1<<20)

#define ATRACE_TAG_LAST             ATRACE_TAG_DATABASE

// Reserved for initialization.

#define ATRACE_TAG_NOT_READY        (1ULL<<63)