Android: Fix crash when trying to select a photo from an <input>

Bug: 831953
Change-Id: I9e3c697d25a0754fad18a45f7a0a19c721e54e9c
Reviewed-on: https://chromium-review.googlesource.com/1011667
Commit-Queue: agrieve <agrieve@chromium.org>
Reviewed-by: Peter Beverloo <peter@chromium.org>
Cr-Commit-Position: refs/heads/master@{#551640}

chrome/android/java/src/org/chromium/chrome/browser/photo_picker/DecoderService.java

@@ -13,6 +13,7 @@ import android.os.ParcelFileDescriptor;
 import android.os.RemoteException;
 import android.os.SystemClock;
 
+import org.chromium.base.CommandLine;
 import org.chromium.base.Log;
 import org.chromium.base.PathUtils;
 import org.chromium.base.ThreadUtils;
@@ -46,6 +47,12 @@ public class DecoderService extends Service {
 
     @Override
     public void onCreate() {
+        // DecoderService does not require flags, but LibraryLoader.ensureInitialized() checks for
+        // --enable-low-end-device-mode. Rather than forwarding the flags from the browser process,
+        // just assume no flags.
+        if (!CommandLine.isInitialized()) {
+            CommandLine.init(null);
+        }
         try {
             // The decoder service relies on PathUtils.
             ThreadUtils.runOnUiThreadBlocking(() -> {