QS Detail: Remove up arrow

Change-Id: I5fb17dae78618f1d0fe520744d3b7cecce019568
Fixes: 27930924
diff --git a/packages/SystemUI/res/layout/battery_detail.xml b/packages/SystemUI/res/layout/battery_detail.xml
index 1f24ab0..8abfcf6 100644
--- a/packages/SystemUI/res/layout/battery_detail.xml
+++ b/packages/SystemUI/res/layout/battery_detail.xml
@@ -25,7 +25,7 @@
         android:id="@+id/charge_and_estimation"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:paddingStart="72dp"
+        android:paddingStart="16dp"
         android:textAppearance="?android:attr/textAppearanceSmall"
         android:textColor="?android:attr/colorAccent" />
 
diff --git a/packages/SystemUI/res/layout/qs_detail_header.xml b/packages/SystemUI/res/layout/qs_detail_header.xml
index c062b6d..f6ca862 100644
--- a/packages/SystemUI/res/layout/qs_detail_header.xml
+++ b/packages/SystemUI/res/layout/qs_detail_header.xml
@@ -22,19 +22,9 @@
     android:background="@drawable/btn_borderless_rect"
     android:gravity="center">
 
-    <ImageView
-        android:id="@*android:id/up"
-        android:layout_width="56dp"
-        android:layout_height="56dp"
-        android:layout_marginEnd="16dp"
-        android:padding="16dp"
-        android:clickable="true"
-        android:background="?android:attr/selectableItemBackground"
-        android:contentDescription="@*android:string/action_bar_up_description"
-        android:src="?android:attr/homeAsUpIndicator" />
-
     <TextView
         android:id="@android:id/title"
+        android:paddingStart="16dp"
         android:layout_width="0dp"
         android:layout_height="wrap_content"
         android:layout_weight="1"
diff --git a/packages/SystemUI/src/com/android/systemui/qs/QSDetail.java b/packages/SystemUI/src/com/android/systemui/qs/QSDetail.java
index a40e5b7..c63be9c 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/QSDetail.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/QSDetail.java
@@ -63,7 +63,6 @@
     private boolean mScanState;
     private boolean mClosingDetail;
     private boolean mFullyExpanded;
-    private View mQsDetailHeaderBack;
     private BaseStatusBarHeader mHeader;
     private boolean mTriggeredExpand;
     private int mOpenX;
@@ -92,7 +91,6 @@
         mDetailDoneButton = (TextView) findViewById(android.R.id.button1);
 
         mQsDetailHeader = findViewById(R.id.qs_detail_header);
-        mQsDetailHeaderBack = mQsDetailHeader.findViewById(com.android.internal.R.id.up);
         mQsDetailHeaderTitle = (TextView) mQsDetailHeader.findViewById(android.R.id.title);
         mQsDetailHeaderSwitch = (Switch) mQsDetailHeader.findViewById(android.R.id.toggle);
         mQsDetailHeaderProgress = (ImageView) findViewById(R.id.qs_detail_header_progress);
@@ -109,7 +107,6 @@
                 mQsPanel.closeDetail();
             }
         };
-        mQsDetailHeaderBack.setOnClickListener(doneListener);
         mDetailDoneButton.setOnClickListener(doneListener);
     }
 
diff --git a/packages/SystemUI/src/com/android/systemui/tuner/TunerZenModePanel.java b/packages/SystemUI/src/com/android/systemui/tuner/TunerZenModePanel.java
index cc0ffb0..1ea23bb 100644
--- a/packages/SystemUI/src/com/android/systemui/tuner/TunerZenModePanel.java
+++ b/packages/SystemUI/src/com/android/systemui/tuner/TunerZenModePanel.java
@@ -54,7 +54,6 @@
         mHeaderSwitch = findViewById(R.id.tuner_zen_switch);
         mHeaderSwitch.setVisibility(View.VISIBLE);
         mHeaderSwitch.setOnClickListener(this);
-        mHeaderSwitch.findViewById(com.android.internal.R.id.up).setVisibility(View.GONE);
         ((TextView) mHeaderSwitch.findViewById(android.R.id.title)).setText(
                 R.string.quick_settings_dnd_label);
         mZenModePanel = (ZenModePanel) findViewById(R.id.zen_mode_panel);