Add the core assisted dialing logic to telephony.

This module contains all of the transformation logic,
constraints, settings, tests, and other functionality for the feature.

Test: Unit tests that do not require a ShadowPhoneGlobals or AndroidManifest
Bug: 63995261
Change-Id: Iec93497042e6288965054bba359ac984b8db694e
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 53384d9..3cb4491 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -583,6 +583,13 @@
                 android:theme="@style/Empty">
         </activity>
 
+        <activity
+            android:name="com.android.phone.settings.assisteddialing.AssistedDialingSettingActivity"
+            android:label="@string/assisted_dialing_setting_title"
+            android:theme="@style/DialerSettingsLight"
+            android:exported="false">
+        </activity>
+
         <activity android:name="com.android.phone.settings.PhoneAccountSettingsActivity"
             android:label="@string/phone_accounts"
             android:theme="@style/DialerSettingsLight">