Move device specific settings to back up into common package.

This brings the list of device specific settings to backup into the same
package as the other lists of settings which are backed up.

Test: atest SettingsProviderTest
Change-Id: Iea4bef49c356c92773cf189e455cf608b6cdc4e6
diff --git a/packages/SettingsProvider/test/src/android/provider/SettingsBackupTest.java b/packages/SettingsProvider/test/src/android/provider/SettingsBackupTest.java
index 8437eae..62827bc 100644
--- a/packages/SettingsProvider/test/src/android/provider/SettingsBackupTest.java
+++ b/packages/SettingsProvider/test/src/android/provider/SettingsBackupTest.java
@@ -16,6 +16,8 @@
 
 package android.provider;
 
+import static android.provider.settings.backup.DeviceSpecificSettings.DEVICE_SPECIFIC_SETTINGS_TO_BACKUP;
+
 import static com.google.android.collect.Sets.newHashSet;
 import static com.google.common.truth.Truth.assertWithMessage;
 
@@ -750,7 +752,7 @@
     public void secureSettingsBackedUpOrBlacklisted() {
         HashSet<String> keys = new HashSet<String>();
         Collections.addAll(keys, SecureSettings.SETTINGS_TO_BACKUP);
-        Collections.addAll(keys, Settings.Secure.DEVICE_SPECIFIC_SETTINGS_TO_BACKUP);
+        Collections.addAll(keys, DEVICE_SPECIFIC_SETTINGS_TO_BACKUP);
         checkSettingsBackedUpOrBlacklisted(
                 getCandidateSettings(Settings.Secure.class),
                 keys,