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)

4051 [in_app_purchase_platform_interface] Fixed restoring purchases link (cla: yes, waiting for tree to go green, p: in_app_purchase)

4052 [camera] android-rework part 7: Android noise reduction feature (cla: yes, waiting for tree to go green, p: camera, platform-android)

4053 Fetch from origin before trying to switch channels (cla: yes)