Low contrast for Personal and Work Tab in launcher

There is low contrast between font and background of
Personal and Work Tab in Launcher which makes it
difficult to read text

Bug: 235573969
Test: manual test
Change-Id: Idfbb7a27cc48de145cf2962facad06bf34ac35f8
diff --git a/res/color-night-v31/all_apps_tab_text.xml b/res/color-night-v31/all_apps_tab_text.xml
index 83237b4..54b95ae 100644
--- a/res/color-night-v31/all_apps_tab_text.xml
+++ b/res/color-night-v31/all_apps_tab_text.xml
@@ -14,6 +14,6 @@
      limitations under the License.
 -->
 <selector xmlns:android="http://schemas.android.com/apk/res/android">
-    <item android:color="@android:color/system_neutral1_50" android:state_selected="true"/>
-    <item android:color="@android:color/system_neutral2_700"/>
+    <item android:color="@android:color/system_neutral2_700" android:state_selected="true"/>
+    <item android:color="@android:color/system_accent2_100"/>
 </selector>
\ No newline at end of file
diff --git a/res/color-night-v31/all_apps_tabs_background.xml b/res/color-night-v31/all_apps_tabs_background.xml
new file mode 100644
index 0000000..9213274
--- /dev/null
+++ b/res/color-night-v31/all_apps_tabs_background.xml
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2021 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:color="@android:color/system_neutral1_800"/>
+</selector>
\ No newline at end of file