Extend YACC and LEX handling to .yy and .ll files.
Extend YACC and LEX handling to .yy and .ll files.

The external mclinker project has .yy and .ll files that
require the same rules as .y and .l.

Change-Id: I2b02df9a74bac9c215f8aeb8ee2ff0d2616526ed

xorware/android_build,xorware/android_build,xorware/android_build,xorware/android_build,xorware/android_build