Android: Change variable to ignored for 767058

Need to change for androidx presubmit check.

Bug: 767058
Change-Id: I2efb55945ebce3533807a0c63b8044f1cbe3cb54
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1762545Reviewed-by: John Budorick <jbudorick@chromium.org>
Reviewed-by: Nate Fischer <ntfschr@chromium.org>
Reviewed-by: Peter Wen <wnwen@chromium.org>
Reviewed-by: Yun Liu <yliuyliu@google.com>
Commit-Queue: benjamin joyce <bjoyce@google.com>
Cr-Commit-Position: refs/heads/master@{#689155}

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

@@ -590,7 +590,7 @@ public class WebViewBrowserActivity extends AppCompatActivity {
     private void initializeSettings(WebSettings settings) {
         File appcache = null;
         File geolocation = null;
-        try (StrictModeContext ctx = StrictModeContext.allowDiskWrites()) {
+        try (StrictModeContext ignored = StrictModeContext.allowDiskWrites()) {
             appcache = getDir("appcache", 0);
             geolocation = getDir("geolocation", 0);
         }

chrome/test/android/javatests/src/org/chromium/chrome/test/ChromeJUnit4ClassRunner.java

@@ -127,7 +127,7 @@ public class ChromeJUnit4ClassRunner extends ContentJUnit4ClassRunner {
                 // Getting the current viewer type may result in a disk write in VrCore, so allow
                 // that to prevent StrictMode errors.
                 Integer viewerType;
-                try (StrictModeContext smc = StrictModeContext.allowDiskWrites()) {
+                try (StrictModeContext ignored = StrictModeContext.allowDiskWrites()) {
                     viewerType = (Integer) currentViewerMethod.invoke(daydreamApiInstance);
                 }
                 Method closeMethod = daydreamApiClass.getMethod("close");