InputSettings: Physical keyboard settings activity.

This CL adds functionality to trigger the "Physical keyboard"
settings screen via an intent.

Bug: 26943892
Change-Id: Ib4a0be38f94f83672501d5312079d132b2ab717d
diff --git a/src/com/android/settings/Settings.java b/src/com/android/settings/Settings.java
index aeec7f1..4aebe82 100644
--- a/src/com/android/settings/Settings.java
+++ b/src/com/android/settings/Settings.java
@@ -43,6 +43,7 @@
     public static class InputMethodAndLanguageSettingsActivity extends SettingsActivity { /* empty */ }
     public static class AvailableVirtualKeyboardActivity extends SettingsActivity { /* empty */ }
     public static class KeyboardLayoutPickerActivity extends SettingsActivity { /* empty */ }
+    public static class PhysicalKeyboardActivity extends SettingsActivity { /* empty */ }
     public static class InputMethodAndSubtypeEnablerActivity extends SettingsActivity { /* empty */ }
     public static class SpellCheckersSettingsActivity extends SettingsActivity { /* empty */ }
     public static class LocalePickerActivity extends SettingsActivity { /* empty */ }
diff --git a/src/com/android/settings/SettingsActivity.java b/src/com/android/settings/SettingsActivity.java
index 9f86646..c4585d1 100644
--- a/src/com/android/settings/SettingsActivity.java
+++ b/src/com/android/settings/SettingsActivity.java
@@ -81,6 +81,7 @@
 import com.android.settings.inputmethod.InputMethodAndLanguageSettings;
 import com.android.settings.inputmethod.KeyboardLayoutPickerFragment;
 import com.android.settings.inputmethod.KeyboardLayoutPickerFragment2;
+import com.android.settings.inputmethod.PhysicalKeyboardFragment;
 import com.android.settings.inputmethod.SpellCheckersSettings;
 import com.android.settings.inputmethod.UserDictionaryList;
 import com.android.settings.localepicker.LocaleListEditor;
@@ -298,6 +299,7 @@
             PaymentSettings.class.getName(),
             KeyboardLayoutPickerFragment.class.getName(),
             KeyboardLayoutPickerFragment2.class.getName(),
+            PhysicalKeyboardFragment.class.getName(),
             ZenModeSettings.class.getName(),
             SoundSettings.class.getName(),
             ConfigureNotificationSettings.class.getName(),