am 84a321c3: am 20df7c7d: Fix white square bug when new apps are added while home is not active.

Merge commit '84a321c355cce41f8cb09ee1197b29be3423d995' into eclair-mr2-plus-aosp

* commit '84a321c355cce41f8cb09ee1197b29be3423d995':
  Fix white square bug when new apps are added while home is not active.