Lock launcher to portrait on devices less than sw720dp

Bug: 6523269
Change-Id: Ic75040257442a7c8486030702961634b54694f44
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 47278bb..a0ebe6f 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -73,7 +73,7 @@
             android:stateNotNeeded="true"
             android:theme="@style/Theme"
             android:windowSoftInputMode="adjustPan"
-            android:screenOrientation="nosensor">
+            android:screenOrientation="portrait">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.HOME" />