bug #15543626 Bluetooth Settings headers need to support Quantum styling

+ Changed cog to teal
+ Eliminated double vertical bar
+ Removed dimming the cog

Change-Id: I6311408658328b5cc9c7e2846a8ba74a32d1af6e

res/layout/preference_bluetooth.xml

@@ -19,16 +19,6 @@
     android:layout_height="wrap_content"
     android:gravity="center_vertical">
 
-    <!-- Divider -->
-    <ImageView
-        android:id="@+id/divider"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_gravity="center_vertical"
-        android:src="@drawable/nav_divider"
-        android:contentDescription="@null"
-         />
-
     <!-- Details button -->
     <ImageView
         android:id="@+id/deviceDetails"

res/layout/preference_progress_category.xml

@@ -17,8 +17,10 @@
 <!-- Layout used for ProgressCategory in bluetooth settings. -->
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     style="?android:attr/listSeparatorTextViewStyle"
+    android:background="@null"
     android:gravity="center_vertical"
     android:orientation="horizontal"
+    android:layout_height="wrap_content"
     android:paddingStart="?android:attr/listPreferredItemPaddingStart"
     android:paddingEnd="?android:attr/listPreferredItemPaddingEnd" >
 

src/com/android/settings/bluetooth/BluetoothDevicePreference.java

@@ -133,10 +133,10 @@ public final class BluetoothDevicePreference extends Preference implements
 
         if (mCachedDevice.getBondState() == BluetoothDevice.BOND_BONDED) {
             ImageView deviceDetails = (ImageView) view.findViewById(R.id.deviceDetails);
+
             if (deviceDetails != null) {
                 deviceDetails.setOnClickListener(this);
                 deviceDetails.setTag(mCachedDevice);
-                deviceDetails.setAlpha(isEnabled() ? 255 : sDimAlpha);
             }
         }