Snap for 4725392 from b18fd19f802b379fa70072fe30d6f3cd47ed4eb2 to pi-release

Change-Id: Iad6953e656d275f8191d62193650cab9c4b71b44
diff --git a/Android.mk b/Android.mk
index a5170df..f371660 100644
--- a/Android.mk
+++ b/Android.mk
@@ -37,8 +37,8 @@
 LOCAL_DX_FLAGS := --multi-dex
 
 LOCAL_STATIC_ANDROID_LIBRARIES := \
-        $(ANDROID_SUPPORT_CAR_TARGETS) \
-        android-support-v4 \
-        android-support-v7-appcompat
+    androidx.appcompat_appcompat \
+    androidx.car_car \
+    androidx.legacy_legacy-support-v4
 
 include $(BUILD_PACKAGE)
diff --git a/PREUPLOAD.cfg b/PREUPLOAD.cfg
new file mode 100644
index 0000000..38f9800
--- /dev/null
+++ b/PREUPLOAD.cfg
@@ -0,0 +1,7 @@
+[Hook Scripts]
+checkstyle_hook = ${REPO_ROOT}/prebuilts/checkstyle/checkstyle.py --sha ${PREUPLOAD_COMMIT}
+ktlint_hook = ${REPO_ROOT}/prebuilts/ktlint/ktlint.py -f ${PREUPLOAD_FILES}
+
+[Builtin Hooks]
+commit_msg_changeid_field = true
+commit_msg_test_field = true
diff --git a/res/layout/activity_main.xml b/res/layout/activity_main.xml
index 2ff0970..4d58853 100644
--- a/res/layout/activity_main.xml
+++ b/res/layout/activity_main.xml
@@ -20,7 +20,7 @@
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:orientation="vertical">
-    <android.support.v7.widget.Toolbar
+    <androidx.appcompat.widget.Toolbar
         android:id="@+id/toolbar"
         android:layout_width="match_parent"
         android:layout_height="@dimen/car_app_bar_height"
diff --git a/src/com/android/car/systemupdater/DeviceListFragment.java b/src/com/android/car/systemupdater/DeviceListFragment.java
index d32cb7e..fceae5c 100644
--- a/src/com/android/car/systemupdater/DeviceListFragment.java
+++ b/src/com/android/car/systemupdater/DeviceListFragment.java
@@ -21,10 +21,6 @@
 import android.os.storage.StorageEventListener;
 import android.os.storage.StorageManager;
 import android.os.storage.VolumeInfo;
-import android.support.annotation.NonNull;
-import android.support.v4.app.Fragment;
-import android.support.v7.app.ActionBar;
-import android.support.v7.app.AppCompatActivity;
 import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
@@ -32,20 +28,22 @@
 import android.widget.TextView;
 import android.widget.Toast;
 
-import java.io.File;
-import java.io.FileFilter;
-import java.io.FilenameFilter;
-import java.net.URI;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.List;
-import java.util.Stack;
-
+import androidx.annotation.NonNull;
+import androidx.appcompat.app.ActionBar;
+import androidx.appcompat.app.AppCompatActivity;
 import androidx.car.widget.ListItem;
 import androidx.car.widget.ListItemAdapter;
 import androidx.car.widget.ListItemProvider;
 import androidx.car.widget.PagedListView;
 import androidx.car.widget.TextListItem;
+import androidx.fragment.app.Fragment;
+
+import java.io.File;
+import java.io.FileFilter;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Stack;
 
 /**
  * Display a list of files and directories.
diff --git a/src/com/android/car/systemupdater/SystemUpdaterActivity.java b/src/com/android/car/systemupdater/SystemUpdaterActivity.java
index 91cbe6b..ea4e83a 100644
--- a/src/com/android/car/systemupdater/SystemUpdaterActivity.java
+++ b/src/com/android/car/systemupdater/SystemUpdaterActivity.java
@@ -18,10 +18,11 @@
 import android.Manifest;
 import android.content.pm.PackageManager;
 import android.os.Bundle;
-import android.support.v4.app.ActivityCompat;
-import android.support.v4.content.ContextCompat;
-import android.support.v7.app.AppCompatActivity;
-import android.support.v7.widget.Toolbar;
+
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.appcompat.widget.Toolbar;
+import androidx.core.app.ActivityCompat;
+import androidx.core.content.ContextCompat;
 
 import java.io.File;
 
diff --git a/src/com/android/car/systemupdater/UpdateLayoutFragment.java b/src/com/android/car/systemupdater/UpdateLayoutFragment.java
index 699ae19..c10b1f1 100644
--- a/src/com/android/car/systemupdater/UpdateLayoutFragment.java
+++ b/src/com/android/car/systemupdater/UpdateLayoutFragment.java
@@ -22,11 +22,6 @@
 import android.os.PowerManager;
 import android.os.UpdateEngine;
 import android.os.UpdateEngineCallback;
-import android.support.annotation.NonNull;
-import android.support.annotation.StringRes;
-import android.support.v4.app.Fragment;
-import android.support.v7.app.ActionBar;
-import android.support.v7.app.AppCompatActivity;
 import android.text.format.Formatter;
 import android.util.Log;
 import android.view.LayoutInflater;
@@ -36,6 +31,12 @@
 import android.widget.ProgressBar;
 import android.widget.TextView;
 
+import androidx.annotation.NonNull;
+import androidx.annotation.StringRes;
+import androidx.appcompat.app.ActionBar;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.fragment.app.Fragment;
+
 import com.android.internal.util.Preconditions;
 
 import java.io.File;