Add an atom to log TextClassifier API latency and result

Bug: 169042373

Test: m TextClassifierService

Merged-In: If37cfefbc0e0714acc698ecb3bbd54a51b052e28

Change-Id: If37cfefbc0e0714acc698ecb3bbd54a51b052e28
(cherry picked from commit 7a22ac45769b81113ad8af626e5591c3b9ffea79)
1 file changed