Add proper interpolator to controls

Fixes: 153040823
Test: visual
Change-Id: I2078a9b478dbed7cc8f177d5347221181da896d4

packages/SystemUI/res/anim/control_state_list_animator.xml

@@ -18,11 +18,13 @@
     <item android:state_pressed="true">
         <set>
             <objectAnimator
+                android:interpolator="@interpolator/control_state"
                 android:duration="50"
                 android:propertyName="scaleX"
                 android:valueTo="0.97"
                 android:valueType="floatType" />
             <objectAnimator
+                android:interpolator="@interpolator/control_state"
                 android:duration="50"
                 android:propertyName="scaleY"
                 android:valueTo="0.97"
@@ -33,11 +35,13 @@
     <item>
         <set>
             <objectAnimator
+                android:interpolator="@interpolator/control_state"
                 android:duration="250"
                 android:propertyName="scaleX"
                 android:valueTo="1"
                 android:valueType="floatType" />
             <objectAnimator
+                android:interpolator="@interpolator/control_state"
                 android:duration="250"
                 android:propertyName="scaleY"
                 android:valueTo="1"

packages/SystemUI/res/interpolator/control_state.xml

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (C) 2020 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.
+  -->
+<pathInterpolator
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:controlX1="0"
+    android:controlY1="0"
+    android:controlX2="1"
+    android:controlY2="1"/>