aw: Fix a typo in AwContents.java

Found by Tricium in http://crrev/c/2097537

Bug: None
Change-Id: I53fedefb2f763bfc57080588eb95c8d07a7ba973
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2097529
Commit-Queue: Shimi Zhang <ctzsm@chromium.org>
Commit-Queue: Tao Bai <michaelbai@chromium.org>
Auto-Submit: Shimi Zhang <ctzsm@chromium.org>
Reviewed-by: Tao Bai <michaelbai@chromium.org>
Cr-Commit-Position: refs/heads/master@{#749046}

android_webview/java/src/org/chromium/android_webview/AwContents.java

@@ -1342,7 +1342,7 @@ public class AwContents implements SmartClipProvider {
         }
 
         setNewAwContents(popupNativeAwContents);
-        // We defer loading any URL on the popup until it has been properly intialized (through
+        // We defer loading any URL on the popup until it has been properly initialized (through
         // setNewAwContents). We resume the load here.
         AwContentsJni.get().resumeLoadingCreatedPopupWebContents(
                 mNativeAwContents, AwContents.this);