Only request raw long lines for the moment

The prefixes are now handled by the regex, but we're still not using
them at all for the moment, so might as well not have them. We might
use the time data in the future.

paparazzo/src/main/java/com/github/rtyley/android/screenshot/paparazzo/OnDemandScreenshotService.java

@@ -63,7 +63,7 @@ private class LogCatCommandExecutor implements Runnable {
          * be extremely slow to cat on some devices, and it doesn't even have the 'screenshot_request'
          * tag we're interested in.
          */
-        private final static String LOGCAT_COMMAND = "logcat -b main screenshot_request:D *:S";
+        private final static String LOGCAT_COMMAND = "logcat -v raw -b main screenshot_request:D *:S";
 
         @Override
         public void run() {