am 1129311a: ContactsProvider2 optimization: end-of-tx contact insert - switching to compiled statements and reusing buffers.

Merge commit '1129311abb3db9bf6eb5731da054276164e0b8d1' into eclair-mr2-plus-aosp

* commit '1129311abb3db9bf6eb5731da054276164e0b8d1':
  ContactsProvider2 optimization: end-of-tx contact insert - switching to compiled statements and reusing buffers.