Messaging: change to androidx.preferences and use OmniPreferenceTheme
Change-Id: Idd2a7e39c4b47bc73c1b554b329bcbf286480633
diff --git a/proguard.flags b/proguard.flags
index c5bbb42..f11fa05 100644
--- a/proguard.flags
+++ b/proguard.flags
@@ -37,7 +37,7 @@
-keep public class * extends android.content.BroadcastReceiver
-keep public class * extends android.content.ContentProvider
-keep public class * extends android.app.backup.BackupAgentHelper
--keep public class * extends android.preference.Preference
+-keep public class * extends androidx.preference.Preference
-keep public class * extends androidx.fragment.app.Fragment
-keep public class com.android.vcard.* { *; }