Fix the Android Eclipse CDT generator.
Fix the Android Eclipse CDT generator.

This fixes a couple of problems:
- CONFIGURATION_NAME is now getting set. This seems to be a required
variable now.
- Macro values are now escaped before getting written to the XML out
in order to handle macros with XML syntax.

Review URL: https://chromiumcodereview.appspot.com/10823266/
Patch from Jesse Greenwald <jgreenwald@chromium.org>!

git-svn-id: e7e1075985beda50ea81ac4472467b4f6e91fc78@1468 78cadc50-ecff-11dd-a971-7dbc132099af

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