Fix nits in PickerDbFacadeForPicker

Follow up from Ia4c87ca68578c7bd6c781b26d95aaf02f440098e

Test: atest PickerDbFacadeForPickerTest
Bug: 190713331
Change-Id: I30e11ce3b3859dd8beb0ec3f5145315f33d75277
Merged-In: I30e11ce3b3859dd8beb0ec3f5145315f33d75277
(cherry picked from commit 7bf59d16355bcd52872ab45c7dc65456c15bc9e6)
2 files changed