Make generator: Fix test/rules/gyptest-all.py and test/rules/gyptest-default.py.
Make generator: Fix test/rules/gyptest-all.py and test/rules/gyptest-default.py.

Write out a separate set of actions for each rule. Actions containing "INPUT_ROOT" does not work in make fragments, so we need to expand them out as separate actions.

Outputs that have just a file name expect the file to be in the directory containing the gyp file. Write the target out as "path/to/foo" rather than "foo".

Review URL: http://codereview.chromium.org/200028
witwall/gyp,witwall/gyp,witwall/gyp,witwall/gyp,witwall/gyp