Make ByteBufferUtil::fromFile fail if file cannot be mmap'd.

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=172750122

library/src/main/java/com/bumptech/glide/util/ByteBufferUtil.java

@@ -31,6 +31,11 @@ public static ByteBuffer fromFile(File file) throws IOException {
       if (fileLength > Integer.MAX_VALUE) {
         throw new IOException("File too large to map into memory");
       }
+      // See b/67710449.
+      if (fileLength == 0) {
+        throw new IOException("File unsuitable for memory mapping");
+      }
+
       raf = new RandomAccessFile(file, "r");
       channel = raf.getChannel();
       return channel.map(FileChannel.MapMode.READ_ONLY, 0, fileLength).load();