6970016: Clean up ARM/try-with-resources implementation Summary: changed Xlint option name from -Xlint:arm to -Xlint:try Reviewed-by: jjg

TwrLint.java:14:15: compiler.warn.try.explicit.close.call
TwrLint.java:13:13: compiler.warn.try.resource.not.referenced: r3
2 warnings