Cleanup flag "clear_default_from_a11y_shortcut..."

Full flag name:
"clear_default_from_a11y_shortcut_target_service_restore"

Bug: b/341374402
Test: atest AccessibilityManagerServiceTest
Flag: EXEMPT flag cleanup
Change-Id: I2e47cd13305e121d8002eae17410c21b27462d29
2 files changed