4049 [in_app_purchase] Update readme.md (cla: yes, waiting for tree to go green, p: in_app_purchase, last mile)

4050 [in_app_purchase_android] Fixed typo in LOAD_SKU_DOC_URL and in the log message in onBillingSetupFinished (cla: yes, waiting for tree to go green, p: in_app_purchase, platform-android, last mile)

p: espresso - 8 pull request(s)