[Safer intents] Settings misc

To avoid implicit intents, make intents launch explicitly.

Test: build
Bug: 323061508
Change-Id: Ie19cbceb89842a75a180898abcce81b63c18d46c

src/com/android/settings/security/ScreenPinningSettings.java

@@ -142,6 +142,7 @@ public class ScreenPinningSettings extends SettingsPreferenceFragment
         if (isEnabled) {
             if (passwordQuality == DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) {
                 Intent chooseLockIntent = new Intent(DevicePolicyManager.ACTION_SET_NEW_PASSWORD);
+                chooseLockIntent.setPackage(getContext().getPackageName());
                 chooseLockIntent.putExtra(
                         ChooseLockGeneric.ChooseLockGenericFragment.HIDE_INSECURE_OPTIONS,
                         true);