Update permission request for builds targeting Android Q.

P is now being build with SDK code 28 and we're moving to targeting Q.
BUG=908821

Change-Id: I316883e0b1bf6cad2157a73a68c0ee567263c543
Reviewed-on: https://chromium-review.googlesource.com/c/1351479Reviewed-by: Ted Choc <tedchoc@chromium.org>
Commit-Queue: Yaron Friedman <yfriedman@chromium.org>
Cr-Commit-Position: refs/heads/master@{#611263}

chrome/android/java/AndroidManifest.xml

@@ -41,7 +41,7 @@ by a child template that "extends" this file.
 
     <uses-permission android:name="android.permission.CAMERA" />
     <uses-permission android:name="android.permission.DOWNLOAD_WITHOUT_NOTIFICATION" />
-    {% if target_sdk_version|int > 27 or target_sdk_version == "P" %}
+    {% if target_sdk_version|int > 27 or target_sdk_version == "Q" %}
         <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
     {% endif %}
     <uses-permission android:name="android.permission.GET_ACCOUNTS"/>