change string value from node attribite to textNode

As framework doesn't support reading string xml value from
node attribute today, update the actual config value from xml
node attribute to a textNode.

Bug: 130620593
Test: Manual test
Change-Id: If3434869d1f5a0a0c9f47fb073b27d78f5a9ad77
Merged-in: Ia2285dd945b211748926413f89efd83f8ea16e30
68 files changed