Remove resource used to enable hardware acceleration

Change-Id: Ica8ed8accc98674ccc0a9024aa7d677a1cfef829
diff --git a/res/values/constants.xml b/res/values/constants.xml
index 61be055..9eeae8e 100644
--- a/res/values/constants.xml
+++ b/res/values/constants.xml
@@ -21,9 +21,6 @@
     <integer name="conversation_list_header_mode">1</integer>
     <integer name="conversation_header_mode">1</integer>
 
-    <!-- Boolean value indicating whether hardware acceleration should be used. -->
-    <integer name="use_hardware_acceleration">1</integer>
-
     <!-- left/right conversations will auto-load if they have no more than this number of messages -->
     <integer name="max_auto_load_messages">20</integer>
 
diff --git a/src/com/android/mail/ui/AbstractMailActivity.java b/src/com/android/mail/ui/AbstractMailActivity.java
index ec7a6f6..9f4388e 100644
--- a/src/com/android/mail/ui/AbstractMailActivity.java
+++ b/src/com/android/mail/ui/AbstractMailActivity.java
@@ -24,9 +24,6 @@
 import android.nfc.NfcAdapter;
 import android.os.Bundle;
 import android.os.StrictMode;
-import android.view.WindowManager;
-
-import com.android.mail.R;
 
 import java.io.UnsupportedEncodingException;
 import java.net.URLEncoder;
@@ -72,11 +69,6 @@
 
         super.onCreate(savedInstanceState);
 
-        // Set the hardware acceleration flag in the Layout parameters based on the device.
-        final int flag = (getResources().getInteger(R.integer.use_hardware_acceleration) != 0) ?
-                WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED : 0;
-        getWindow().setFlags(flag, WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED);
-
         mNfcAdapter = NfcAdapter.getDefaultAdapter(this);
         if (mNfcAdapter != null) {
             // Find custom "from" address asynchronously.