Set default value on debug preferences

app/src/debug/res/xml/preferences_debug.xml

@@ -2,18 +2,22 @@
 <PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
 
   <SwitchPreferenceCompat
+    android:defaultValue="false"
     android:key="@string/p_leakcanary"
     android:title="@string/debug_leakcanary" />
 
   <SwitchPreferenceCompat
+    android:defaultValue="false"
     android:key="@string/p_flipper"
     android:title="@string/debug_flipper"/>
 
   <SwitchPreferenceCompat
+    android:defaultValue="false"
     android:key="@string/p_strict_mode_vm"
     android:title="@string/debug_strict_mode_vm"/>
 
   <SwitchPreferenceCompat
+    android:defaultValue="false"
     android:key="@string/p_strict_mode_thread"
     android:title="@string/debug_strict_mode_thread"/>
 
@@ -23,6 +27,7 @@
     android:title="@string/debug_main_queries" />
 
   <SwitchPreferenceCompat
+    android:defaultValue="false"
     android:key="@string/p_debug_pro"
     android:title="@string/debug_pro"/>
 

app/src/main/java/org/tasks/preferences/Preferences.kt

@@ -242,7 +242,7 @@ class Preferences @JvmOverloads constructor(
     fun getBoolean(key: String?, defValue: Boolean): Boolean = try {
         prefs.getBoolean(key, defValue)
     } catch (e: ClassCastException) {
-        Timber.e(e)
+        Timber.w(e)
         defValue
     }