[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/WebViewBrowserActivity.java

Index: android_webview/tools/system_webview_shell/apk/src/org/chromium/webview_shell/WebViewBrowserActivity.java
diff --git a/android_webview/tools/system_webview_shell/apk/src/org/chromium/webview_shell/WebViewBrowserActivity.java b/android_webview/tools/system_webview_shell/apk/src/org/chromium/webview_shell/WebViewBrowserActivity.java
index f23ec7544501a3c16f5fbc702433861cb633bc36..224b5aa0f66aa2a23a7f084cba879b604fc88b7f 100644
--- a/android_webview/tools/system_webview_shell/apk/src/org/chromium/webview_shell/WebViewBrowserActivity.java
+++ b/android_webview/tools/system_webview_shell/apk/src/org/chromium/webview_shell/WebViewBrowserActivity.java
@@ -269,6 +269,7 @@ public class WebViewBrowserActivity extends Activity implements PopupMenu.OnMenu
                 setUrlBarText(url);
             }
 
+            @SuppressWarnings("deprecation") // because we support api level 19 and up.
             @Override
             public boolean shouldOverrideUrlLoading(WebView webView, String url) {
                 // "about:" and "chrome:" schemes are internal to Chromium;
@@ -460,6 +461,9 @@ public class WebViewBrowserActivity extends Activity implements PopupMenu.OnMenu
         }
     }
 
+    // setGeolocationDatabasePath deprecated in api level 24,
+    // but we still use it because we support api level 19 and up.
+    @SuppressWarnings("deprecation")
     private void initializeSettings(WebSettings settings) {
         settings.setJavaScriptEnabled(true);