Bug 1357786 - Use device CPU architecture in Fennec core ping r=sebastian

MozReview-Commit-ID: HXjaNdQzNGF

--HG--
extra : rebase_source : 86398402078b9212078639d1393d8fc845fcc7f6

mobile/android/base/java/org/mozilla/gecko/telemetry/pingbuilders/TelemetryCorePingBuilder.java

@@ -86,7 +86,7 @@ public class TelemetryCorePingBuilder extends TelemetryPingBuilder {
         final Calendar nowCalendar = Calendar.getInstance();
         final DateFormat pingCreationDateFormat = new SimpleDateFormat("yyyy-MM-dd", Locale.US);
 
-        payload.put(ARCHITECTURE, AppConstants.ANDROID_CPU_ARCH);
+        payload.put(ARCHITECTURE, Build.CPU_ABI);
         payload.put(DEVICE, deviceDescriptor);
         payload.put(LOCALE, Locales.getLanguageTag(Locale.getDefault()));
         payload.put(OS_VERSION, Integer.toString(Build.VERSION.SDK_INT)); // A String for cross-platform reasons.