Upgrade to rustc 1.22.0-nightly (c6884b12d 2017-09-30)
A new `AddAssign` impl in the standard library made inference ambiguous.
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Combine ReflowGoal and ReflowQueryType
This simplifies the logic in the layout_thread and makes it clearer
which types of reflows generate display lists and cause display updates.
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- [x] `./mach build -d` does not report any errors
- [x] `./mach test-tidy` does not report any errors
- [ ] These changes fix #__ (github issue number if applicable).
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Implement Gradle flavors for Android VR compilations
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This PR adds support to easily generate Android VR builds. Rust/Java VR dependencies are not added by default.
Default build (No VR support)
```
./mach build --release --android
./mach package --release --android
./mach install --release --android
```
GoogleVR builds (e.g. Daydream)
```
./mach build --release --android --features googlevr
./mach package --release --android --flavor googlevr
./mach install --release --android
```
OculusVR builds (e.g. Gear VR)
```
./mach build --release --android --features oculusvr
./mach package --release --android --flavor oculusvr
./mach install --release --android
```
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- [x] `./mach build -d` does not report any errors
- [x] `./mach test-tidy` does not report any errors
- [ ] These changes fix #__ (github issue number if applicable).
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- [x] There are tests for these changes OR
- [ ] These changes do not require tests because _____
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mach: Don't overwrite RUSTFLAGS when enabling debug assertions
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Improve the media tests
This avoids a bunch of timeouts and make running the tests from `/html/semantics/embedded-content/media-elements/` in 25 seconds instead of 47 locally on my machine.
style: Cleanup the animated value setup.
We have three different enums to represent slightly different things. Reuse them
properly, and kill some code in the animated_properties module while at it.
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