[Safer intents] Connectivity

To avoid implicit intents, make intents launch explicitly.

Bug: 323061508
Test: build
Change-Id: I44ff8a789d933f11ba7e68e52055575245276224

src/com/android/settings/Utils.java

@@ -140,6 +140,8 @@ public final class Utils extends com.android.settingslib.Utils {
 
     public static final String SYSTEMUI_PACKAGE_NAME = "com.android.systemui";
 
+    public static final String PHONE_PACKAGE_NAME = "com.android.phone";
+
     public static final String OS_PKG = "os";
 
     /**