[automerger skipped] Add suspend_resume trace events to the atrace 'freq' category.
am: 581c22f9 -s ours
am skip reason: change_id I91e539cb53f4475d7da82e0da61d32d88b11b4ef with SHA1 5ab8432c is in history
Change-Id: Iab6e83befee6d68f1ab8d1a0a962b022bb894ba9