Update logo assets + shorten name

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=145570392

demo/src/main/AndroidManifest.xml

@@ -27,7 +27,7 @@
 
 
   <application
   <application
       android:label="@string/application_name"
       android:label="@string/application_name"
-      android:icon="@drawable/ic_launcher"
+      android:icon="@mipmap/ic_launcher"
       android:banner="@drawable/ic_banner"
       android:banner="@drawable/ic_banner"
       android:largeHeap="true"
       android:largeHeap="true"
       android:allowBackup="false"
       android:allowBackup="false"

demo/src/main/res/values/strings.xml

@@ -16,8 +16,7 @@
 
 
 <resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
 <resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
 
 
-  <!-- The user visible name of the application. [CHAR LIMIT=20] -->
-  <string name="application_name">ExoPlayer2 Demo</string>
+  <string name="application_name">ExoPlayer</string>
 
 
   <string name="video">Video</string>
   <string name="video">Video</string>