Add collector library in multi user per test apk.

Enable permissions needed to write the trace file in the device.

Bug: b/155805394

Test: make MultiUserPerfTests
Change-Id: I650307133c5325aa92aa6e12f2a77566f314f174

apct-tests/perftests/multiuser/Android.bp

@@ -17,6 +17,7 @@ android_test {
     srcs: ["src/**/*.java"],
     static_libs: [
         "androidx.test.rules",
+        "collector-device-lib-platform",
         "apct-perftests-utils",
     ],
     platform_apis: true,

apct-tests/perftests/multiuser/AndroidManifest.xml

@@ -17,12 +17,16 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
         package="com.android.perftests.multiuser">
 
+    <uses-sdk android:targetSdkVersion="28" />
+
     <uses-permission android:name="android.permission.CONTROL_KEYGUARD" />
     <uses-permission android:name="android.permission.MANAGE_USERS" />
     <uses-permission android:name="android.permission.INSTALL_PACKAGES" />
     <uses-permission android:name="android.permission.INTERACT_ACROSS_USERS" />
     <uses-permission android:name="android.permission.INTERACT_ACROSS_USERS_FULL" />
     <uses-permission android:name="android.permission.WRITE_SECURE_SETTINGS" />
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+    <uses-permission android:name="android.permission.REAL_GET_TASKS" />
 
     <application>
         <uses-library android:name="android.test.runner" />