Avoids janky transition when confirmation of device credential
is requested.
Bug:
18637426
Change-Id: I3645e180e50f570d6d09d649978064fa5adf7755
<!-- Lock screen settings -->
<activity android:name="ConfirmDeviceCredentialActivity"
- android:exported="true">
+ android:exported="true"
+ android:theme="@style/Transparent">
<intent-filter>
<action android:name="android.app.action.CONFIRM_DEVICE_CREDENTIAL" />
<category android:name="android.intent.category.DEFAULT" />