Update to newer Android Lint and suppress new Lint errors

chrome/android/webapk/libs/client/src/org/chromium/webapk/lib/client/DexOptimizer.java

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.webapk.lib.client;
 
 import android.annotation.SuppressLint;
 import android.os.Build;
 import android.util.Log;
 
@@ skipping 153 matching lines @@
      * odex.
      *
      * - This API is not available on pre-L devices, but as the pre-L runtime did not scope odex
      *   files by <isa> on pre-L, this is not a problem.
      *
      * - For devices L+, it's still possible for this API to be missing. In that case
      *   we will fallback to A) interpretation, and failing that B) generate an odex in the
      *   client's file space.
      */
     private static class VMRuntime {
+        // TODO(crbug.com/635567): Fix this properly.

[Ted C, 2017/04/27 19:02:48]

the comment above implies this is likely not an issue

[F, 2017/04/28 18:25:15]

Done.

+        @SuppressLint("NewApi")
         @SuppressWarnings("unchecked")
         public static String getCurrentInstructionSet() throws NoSuchMethodException {
             Method getCurrentInstructionSetMethod;
             try {
                 Class c = Class.forName("dalvik.system.VMRuntime");
                 getCurrentInstructionSetMethod = c.getDeclaredMethod("getCurrentInstructionSet");
             } catch (ClassNotFoundException | NoSuchMethodException e) {
                 Log.w(TAG, "dalvik.system.VMRuntime#getCurrentInstructionSet is unsupported.", e);
                 throw new NoSuchMethodException(
                         "dalvik.system.VMRuntime#getCurrentInstructionSet could not be found.");
             }
             try {
                 return (String) getCurrentInstructionSetMethod.invoke(null);
             } catch (IllegalAccessException | InvocationTargetException e) {
                 Log.w(TAG, "Failed to call dalvik.system.VMRuntime#getCurrentInstructionSet", e);
                 throw new NoSuchMethodException(
                         "dalvik.system.VMRuntime#getCurrentInstructionSet could not be found.");
             }
         }
     }
 }