Apply SettingsPreferenceTheme in Settings

- Set all of preference style inherit from SettingsPreferenceTheme
- Apply to Theme.Settings and Theme.Settings.Home
- Fix robotest failed in ScreenTimeoutSettingsTest

Bug: 185206291
Test: manual & robotest
Change-Id: I855d003b10348569903855fcbf235bc00265658b

tests/robotests/src/com/android/settings/display/ScreenTimeoutSettingsTest.java

@@ -73,6 +73,9 @@ public class ScreenTimeoutSettingsTest {
     @Mock
     AdaptiveSleepPreferenceController mAdaptiveSleepPreferenceController;
 
+    @Mock
+    AdaptiveSleepCameraStatePreferenceController mAdaptiveSleepCameraStatePreferenceController;
+
     @Mock
     Preference mDisableOptionsPreference;
 
@@ -98,6 +101,8 @@ public class ScreenTimeoutSettingsTest {
 
         mSettings.mAdaptiveSleepController = mAdaptiveSleepPreferenceController;
         mSettings.mAdaptiveSleepPermissionController = mPermissionPreferenceController;
+        mSettings.mAdaptiveSleepCameraStatePreferenceController =
+                mAdaptiveSleepCameraStatePreferenceController;
     }
 
     @Test