Fix getAvSyncTime() data type.

Bug: 220039290
Test: atest android.media.tv.tuner.cts
Change-Id: I8ffd31216056a668d7e416d83dec6474ee1e80a7
Merged-In: I8ffd31216056a668d7e416d83dec6474ee1e80a7
(cherry picked from commit 9ff742fc4c542ee5d168c1e1e5c6bd8b5cae7dde)
1 file changed