Add support to configure double line clock in lockscreen [1/2]

Add an override that can be used to configure the default state
of double line clock in lock screen.

Co-authored-by: Luca Weiss <luca.weiss@fairphone.com>
Bug: 277244307
Test: atest KeyguardClockSwitchControllerTest
(cherry picked from https://android-review.googlesource.com/q/commit:1e802e87fcd1ecbb46d6227988c0b24e0b2b4016

)
Merged-In: I35d5b2807befe253ba327690fdcbc39af3bcfb37
Change-Id: I35d5b2807befe253ba327690fdcbc39af3bcfb37

NOTE FOR REVIEWERS - errors occurred while applying the patch.
PLEASE REVIEW CAREFULLY.
Errors:
Error applying patch in packages/SystemUI/tests/src/com/android/keyguard/KeyguardClockSwitchControllerTest.java, hunk HunkHeader[149,6->149,9]: Hunk cannot be applied

Original patch:
 From 1e802e87fcd1ecbb46d6227988c0b24e0b2b4016 Mon Sep 17 00:00:00 2001
From: Bharath <bharath@fairphone.com>
Date: Fri, 18 Aug 2023 09:55:00 +0530
Subject: [PATCH] Add support to configure double line clock in lockscreen [1/2]

Add an override that can be used to configure the default state
of double line clock in lock screen.

Co-authored-by: Luca Weiss <luca.weiss@fairphone.com>
Bug: 277244307
Test: atest KeyguardClockSwitchControllerTest
Change-Id: I35d5b2807befe253ba327690fdcbc39af3bcfb37
---