Add new Asm/C++/Java/Make warning patterns

* Change some incorrectly-classified logtags warnings to C++.
* Fix gpylint warnings of long lines in html_writer.py.

Test: warn.py --url=http://cs/android --separator='?l=' build.log > warnings.html
Test: warn.py --gencsv build.log > warnings.csv
Change-Id: I98c01dadfd72b202d81ef7c94e93c42182f6065c