Fix google3 warnings

Test: Building
Change-Id: Icca4f447843cdcd4072b9bef9dd93591a53bc3a7
diff --git a/car-ui-lib/src/com/android/car/ui/preference/ListPreferenceFragment.java b/car-ui-lib/src/com/android/car/ui/preference/ListPreferenceFragment.java
index 3af1f8a..d0653dd 100644
--- a/car-ui-lib/src/com/android/car/ui/preference/ListPreferenceFragment.java
+++ b/car-ui-lib/src/com/android/car/ui/preference/ListPreferenceFragment.java
@@ -18,8 +18,6 @@
 
 import static com.android.car.ui.preference.PreferenceDialogFragment.ARG_KEY;
 
-import static java.util.stream.Collectors.toList;
-
 import android.os.Bundle;
 import android.view.LayoutInflater;
 import android.view.View;
@@ -36,7 +34,7 @@
 import com.android.car.ui.recyclerview.CarUiRecyclerView;
 import com.android.car.ui.toolbar.Toolbar;
 
-import java.util.Arrays;
+import java.util.ArrayList;
 import java.util.List;
 
 /**
@@ -115,8 +113,10 @@
         }
 
         mClickedDialogEntryIndex = preference.findIndexOfValue(preference.getValue());
-        List<String> entryStrings = Arrays.stream(entries).map(CharSequence::toString).collect(
-                toList());
+        List<String> entryStrings = new ArrayList<>(entries.length);
+        for (CharSequence entry : entries) {
+            entryStrings.add(entry.toString());
+        }
 
         CarUiRecyclerViewRadioButtonAdapter adapter = new CarUiRecyclerViewRadioButtonAdapter(
                 entryStrings, mClickedDialogEntryIndex);
diff --git a/car-ui-lib/src/com/android/car/ui/preference/PreferenceFragment.java b/car-ui-lib/src/com/android/car/ui/preference/PreferenceFragment.java
index e459233..1acb2d2 100644
--- a/car-ui-lib/src/com/android/car/ui/preference/PreferenceFragment.java
+++ b/car-ui-lib/src/com/android/car/ui/preference/PreferenceFragment.java
@@ -41,12 +41,13 @@
 import com.android.car.ui.R;
 import com.android.car.ui.toolbar.Toolbar;
 
+import java.util.ArrayDeque;
 import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.Deque;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
-import java.util.Stack;
 
 /**
  * A PreferenceFragmentCompat is the entry point to using the Preference library.
@@ -159,11 +160,11 @@
         List<Preference> children = new ArrayList<>();
 
         // Stack of preferences to process
-        Stack<Preference> stack = new Stack<>();
-        stack.push(preferenceScreen);
+        Deque<Preference> stack = new ArrayDeque<>();
+        stack.addFirst(preferenceScreen);
 
-        while (!stack.empty()) {
-            Preference preference = stack.pop();
+        while (!stack.isEmpty()) {
+            Preference preference = stack.removeFirst();
 
             if (preference instanceof PreferenceGroup) {
                 PreferenceGroup pg = (PreferenceGroup) preference;
@@ -180,7 +181,7 @@
 
                     dependencies.put(replacement, child.getDependency());
                     pg.addPreference(replacement);
-                    stack.push(replacement);
+                    stack.addFirst(replacement);
                 }
             }
         }
diff --git a/car-ui-lib/src/com/android/car/ui/recyclerview/CarUiListItemLayoutManager.java b/car-ui-lib/src/com/android/car/ui/recyclerview/CarUiListItemLayoutManager.java
index c825052..80572a5 100644
--- a/car-ui-lib/src/com/android/car/ui/recyclerview/CarUiListItemLayoutManager.java
+++ b/car-ui-lib/src/com/android/car/ui/recyclerview/CarUiListItemLayoutManager.java
@@ -133,7 +133,7 @@
             }
         }
 
-        return (mListItemHeights.get(firstPos)) + heightOfScreen;
+        return mListItemHeights.get(firstPos) + heightOfScreen;
     }
 
     /**
diff --git a/car-ui-lib/tests/paintbooth/src/com/android/car/ui/paintbooth/MainActivity.java b/car-ui-lib/tests/paintbooth/src/com/android/car/ui/paintbooth/MainActivity.java
index baf7ece..f05a827 100644
--- a/car-ui-lib/tests/paintbooth/src/com/android/car/ui/paintbooth/MainActivity.java
+++ b/car-ui-lib/tests/paintbooth/src/com/android/car/ui/paintbooth/MainActivity.java
@@ -152,9 +152,9 @@
                         .getMethod("getDumpHeap").invoke(currentConfig);
                 Boolean dumpHeapWhenDebugging = (Boolean) configClass
                         .getMethod("getDumpHeapWhenDebugging").invoke(currentConfig);
-                List referenceMatchers = (List) configClass
+                List<?> referenceMatchers = (List<?>) configClass
                         .getMethod("getReferenceMatchers").invoke(currentConfig);
-                List objectInspectors = (List) configClass
+                List<?> objectInspectors = (List<?>) configClass
                         .getMethod("getObjectInspectors").invoke(currentConfig);
                 Object onHeapAnalyzedListener = configClass
                         .getMethod("getOnHeapAnalyzedListener").invoke(currentConfig);
diff --git a/car-ui-lib/tests/paintbooth/src/com/android/car/ui/paintbooth/dialogs/DialogsActivity.java b/car-ui-lib/tests/paintbooth/src/com/android/car/ui/paintbooth/dialogs/DialogsActivity.java
index 37b1c20..505a026 100644
--- a/car-ui-lib/tests/paintbooth/src/com/android/car/ui/paintbooth/dialogs/DialogsActivity.java
+++ b/car-ui-lib/tests/paintbooth/src/com/android/car/ui/paintbooth/dialogs/DialogsActivity.java
@@ -39,7 +39,7 @@
  */
 public class DialogsActivity extends Activity {
 
-    private List<Pair<Integer, View.OnClickListener>> mButtons = new ArrayList<>();
+    private final List<Pair<Integer, View.OnClickListener>> mButtons = new ArrayList<>();
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -174,7 +174,7 @@
         }
     }
 
-    private CarUiRecyclerView.Adapter<ViewHolder> mAdapter =
+    private final CarUiRecyclerView.Adapter<ViewHolder> mAdapter =
             new CarUiRecyclerView.Adapter<ViewHolder>() {
                 @Override
                 public int getItemCount() {