Fix up various issues in the release notes in preparation for branching the RC-1 release. Change-Id: I8db5d2859c36d666732c513afe520d588ac9f3ba
A couple release notes were accidentally added to the wrong location in the source tree. This just moves them to the right location. Change-Id: I4dc3fcf8c667e87e7f1a956f408842f23e5f41dc