Make Launcher activity restart on density change

- Launcher used to restart when density changes before http://ag/14234761, which added smallestScreenSize and density in configChange
- http://ag/14234761 aims to avoid restart when switching display in split dispalys, for which only size changes, therefore density is unnecessary in configChange
- Keeping density in configChange make Launcher acitvity to stay after changing display size, making all buttons stays in old size in previous denstiy, which is a bug

Bug: 204157738
Test: manual
Change-Id: Ib85326078c67c35d90dc5e9ae5c20eeb5286a610
diff --git a/go/AndroidManifest-launcher.xml b/go/AndroidManifest-launcher.xml
index 6a8f715..2223036 100644
--- a/go/AndroidManifest-launcher.xml
+++ b/go/AndroidManifest-launcher.xml
@@ -49,7 +49,7 @@
             android:stateNotNeeded="true"
             android:windowSoftInputMode="adjustPan"
             android:screenOrientation="unspecified"
-            android:configChanges="keyboard|keyboardHidden|mcc|mnc|navigation|orientation|screenSize|screenLayout|smallestScreenSize|density|uiMode"
+            android:configChanges="keyboard|keyboardHidden|mcc|mnc|navigation|orientation|screenSize|screenLayout|smallestScreenSize|uiMode"
             android:resizeableActivity="true"
             android:resumeWhilePausing="true"
             android:taskAffinity=""