Fix icons not tinting correctly on Android K.

ApiCompatibilityUtils.setImageTintList has correct support only for
- Android Lollipop and Above,
- AppCompatImageView class.
Any other imageview will seem to work, but will receive no tint.

Bug: 1038497
Change-Id: I7a7fcad80ff7b7ca3fb344448f27c5c093b25156
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1987266Reviewed-by: Ted Choc <tedchoc@chromium.org>
Commit-Queue: Ender <ender@google.com>
Cr-Commit-Position: refs/heads/master@{#728351}

chrome/android/java/src/org/chromium/chrome/browser/omnibox/suggestions/base/BaseSuggestionView.java

@@ -6,6 +6,7 @@ package org.chromium.chrome.browser.omnibox.suggestions.base;
 
 import android.content.Context;
 import android.support.annotation.IdRes;
+import android.support.v7.widget.AppCompatImageView;
 import android.util.TypedValue;
 import android.view.KeyEvent;
 import android.view.LayoutInflater;
@@ -54,7 +55,7 @@ public class BaseSuggestionView extends SimpleHorizontalLayoutView {
         addView(mDecoratedView);
 
         // Action icons. Currently we only support the Refine button.
-        mActionView = new ImageView(getContext());
+        mActionView = new AppCompatImageView(getContext());
         mActionView.setBackgroundResource(selectableBackgroundRes);
         mActionView.setClickable(true);
         mActionView.setFocusable(true);

chrome/browser/ui/android/widget/java/src/org/chromium/chrome/browser/ui/widget/RoundedCornerImageView.java

@@ -21,6 +21,7 @@ import android.graphics.drawable.shapes.RoundRectShape;
 import android.graphics.drawable.shapes.Shape;
 import android.support.annotation.ColorInt;
 import android.support.v4.view.ViewCompat;
+import android.support.v7.widget.AppCompatImageView;
 import android.util.AttributeSet;
 import android.widget.ImageView;
 
@@ -40,7 +41,7 @@ import androidx.annotation.Nullable;
  * Note : This does not properly handle padding. Padding will not be taken into account when rounded
  * corners are used.
  */
-public class RoundedCornerImageView extends ImageView {
+public class RoundedCornerImageView extends AppCompatImageView {
     private final RectF mTmpRect = new RectF();
     private final Matrix mTmpMatrix = new Matrix();