Add DeviceEntryIconView after fingerprintProps are initialized

Don't add the view before the properties are initialized. Since the fingerprint
properties comes from FingerprintManager (system server), this can be
delayed and not ready immediately when the Keyguard shows.

Fixes: 326023271
Flag: ACONFIG com.android.systemui.device_entry_udfps_refactor STAGING
Test: atest DefaultDeviceEntrySectionTest FingerprintRepositoryImplTest
Test: manually add a delay to the propx being updated in
FingerprintPropertyRepository, see icon shows correctly when the
properties are initialized after the delay

Change-Id: I110cf8b687967808112b7805238ad2ddccf4f8c6