am 69ed23d0: resolved conflicts for merge of 636458dd to eclair-mr2

Merge commit '69ed23d097f8d72aecb36b1b75e89ac101c4691a' into eclair-mr2-plus-aosp

* commit '69ed23d097f8d72aecb36b1b75e89ac101c4691a':
  clean step for build.prop