includes the following CLs since the last roll
- Further improve painting.dart documentation. (#4505)
- Add support for --strong option in the engine, create a strong mode
version of platform file (#4504)
- Apply texture transform on Android (#4513)
- [fuchsia] Removed the flutter_app template. (#4511)
- This adds RPC call to set asset path. (#4323)
- Fix windows build by using lambda capture workaround (#4514)
- Add missing include for sk_malloc_throw
* Revert "Roll engine to e122f4825726035e4579471ef83848b1aa796444 dart roll"
This reverts commit c7dfadfaf542bc1e4215846b32430ebf0ed79e2a.
* Revert "Roll engine to just before dart roll"
This reverts commit d5cc86578a4097bb5a9aeb07f80c08d32de39610.
This reverts commit dbd3eb678af12bf0e91a289dba4a400d05e523e0.
Commit above fixed initial problem with frontend_server on Windows, but caused another more explicit problem with gen_snapshot down the line.
* Revert "Include a directory with Flutter assets (#12944)"
This reverts commit 3af6b9cbf5787b4db6b4bad7494fe41addf5703d.
* Revert "Upgrade project.pbxproj to include flutter_assets (#13011)"
This reverts commit 08128cb29b28db00c2301f546bc59de33017074a.
* Revert "Upgrade complex_layout project.pbxproj to include flutter_assets (#13544)"
This reverts commit 35f1a04195e69afb5cc1e6588abad5476db3a5d8.
* mark complex_layout_ios__start_up as flaky
**This PR contains a breaking API change:**
`SemanticsConfiguration.addAction()` has been removed and replaces by action-specific setters (`onTap`, `onLongPress`, etc.) to take care of the fact that some action handlers (those, who take arguments) have different signatures.
Add support for configuring the base storage URL for Flutter's
artifacts. If FLUTTER_STORAGE_BASE_URL is set, use it instead of
storage.googleapis.com.
The pub server can be overridden by setting PUB_HOSTED_URL.
The purpose of this PR is to make it so that when the user runs 'flutter', if they have a .pub-cache directory in their flutter root, we use that instead of the default location for the pub cache. Otherwise, it should act as before.
The eventual goal is to support a pre-populated flutter .zip/.tar.gz file that has everything the developer needs in one bundle. In order for that to actually work, we need to have the pub cache be self-contained, and not in the user's home dir.
Another advantage of this is that if you have multiple flutter repos that you're switching between, then the versions in the pub cache will remain static when you switch between them.
This is an attempt to re-land: #13248. Includes a fix for the test that makes it work on bots in the presence of PUB_CACHE being set, and no other changes.
* Revert "Add tests."
This reverts commit 31bad961ff2220a2708917ff8f748fed7efa9b51.
* Revert "Use .pub-cache from Flutter root, if it exists. (#13248)"
This reverts commit 72d6bcc3f7555c5a242f46cb09484f6c12e86f39.
