remove fake shadow view and replace with elevation in AccountActivity

app/src/main/java/com/keylesspalace/tusky/AccountActivity.kt

@@ -23,7 +23,6 @@ import android.content.Context
 import android.content.Intent
 import android.graphics.Color
 import android.graphics.PorterDuff
-import android.os.Build
 import android.os.Bundle
 import android.preference.PreferenceManager
 import android.support.annotation.AttrRes
@@ -360,7 +359,6 @@ class AccountActivity : BottomSheetActivity(), ActionButtonActivity, HasSupportF
                 accountStatuses.hide()
                 accountTabLayout.hide()
                 accountFragmentViewPager.hide()
-                accountTabBottomShadow.hide()
             }
 
             val numberFormat = NumberFormat.getNumberInstance()

app/src/main/res/layout/activity_account.xml

@@ -10,7 +10,8 @@
     <android.support.design.widget.AppBarLayout
         android:id="@+id/accountAppBarLayout"
         android:layout_width="match_parent"
-        android:layout_height="wrap_content">
+        android:layout_height="wrap_content"
+        android:elevation="@dimen/actionbar_elevation">
 
         <android.support.design.widget.CollapsingToolbarLayout
             android:id="@+id/collapsingToolbar"
@@ -281,15 +282,6 @@
         android:layout_height="match_parent"
         app:layout_behavior="@string/appbar_scrolling_view_behavior" />
 
-    <View
-        android:id="@+id/accountTabBottomShadow"
-        android:layout_width="match_parent"
-        android:layout_height="2dp"
-        android:background="@drawable/material_drawer_shadow_bottom"
-        android:visibility="visible"
-        app:layout_anchor="@id/accountTabLayout"
-        app:layout_anchorGravity="bottom" />
-
     <android.support.design.widget.FloatingActionButton
         android:id="@+id/accountFloatingActionButton"
         android:layout_width="wrap_content"