This API requires the UPDATE_DEVICE_STATS permission on KitKat

* Rev Android Platform to 28 for bots

* push all to 28

* include platform tools update

This version honors flutter tool's --build-number/--build-name flags.

This reverts commit 8acc058c.

Reverts #25483

Reason for revert: it seems to break the flutter_gallery_instrumentation_test post-submit test.

TBR: @sbaranov

This version honors flutter tool's --build-number/--build-name flags.

This reverts commit 59bb2dba.

This reverts commit 0f557e72.

This reverts commit dac1baf4.

* Revert "New Flutter Gallery UI (#16936)"

This reverts commit 7038597b.

A new front-end for the Flutter Gallery example.

* android templates should add density and screenLayout to config changes

* update the rest of the manifests

* iOS works

* Works on Android

* Take in commit number in iOS also. Get rid of image upload for Android. It's just a waste of bandwidth

* Tweak to fix on Travis

* first round fastlane working on Android

* clean up and start ios

* Partial iOS

* Got a fastfile that works on iOS

* Finalize Android push instructions

* Finalize instructions for iOS

* Extra cleanup and optipng

* Disable readme autogen and add a default readme

This reverts commit 36e3b103 to make the build green.

This reverts commit 25b1d43a.

This reverts commit 05d6b08f.