Introduce StatusBarContentInsetsProviderStore for multiple displays

Test: Tested by parent abstract class
Test: MultiDisplayStatusBarContentInsetsProviderStoreTest
Test: StatusBarContentInsetsProviderTest
Test: Build & run
Flag: com.android.systemui.status_bar_connected_displays
Bug: 362720432
Change-Id: Ib08054879f6b714d640e22153cf7d77aae3a0ef9
30 files changed