[WebViewShell] Clean-up lint warnings in android_webview/tools/system_webview_shell/apk/

android_webview/tools/system_webview_shell/apk/src/org/chromium/webview_shell/TelemetryMemoryPressureActivity.java

Index: android_webview/tools/system_webview_shell/apk/src/org/chromium/webview_shell/TelemetryMemoryPressureActivity.java
diff --git a/android_webview/tools/system_webview_shell/apk/src/org/chromium/webview_shell/TelemetryMemoryPressureActivity.java b/android_webview/tools/system_webview_shell/apk/src/org/chromium/webview_shell/TelemetryMemoryPressureActivity.java
index f0b8a7efc285d5c6a315ac8a71731df3e3489475..1ebd056cf46bdf544411f65d319af061cc3630ab 100644
--- a/android_webview/tools/system_webview_shell/apk/src/org/chromium/webview_shell/TelemetryMemoryPressureActivity.java
+++ b/android_webview/tools/system_webview_shell/apk/src/org/chromium/webview_shell/TelemetryMemoryPressureActivity.java
@@ -33,10 +33,11 @@ public class TelemetryMemoryPressureActivity extends Activity {
         webview.getSettings().setJavaScriptEnabled(true);
 
         webview.setWebViewClient(new WebViewClient() {
-                @Override
-                public boolean shouldOverrideUrlLoading(WebView webView, String url) {
-                    return false;
-                }
+            @SuppressWarnings("deprecation") // because we support api level 19 and up.
+            @Override
+            public boolean shouldOverrideUrlLoading(WebView webView, String url) {
+                return false;
+            }
         });
 
         webview.loadUrl("about:blank");