Bug 1702073 - Enable ICCv4 by default in the crate but disable it in Gecko. r=aosmond

This gives other users of the crate ICCv4 by default while
still giving Gecko the ability to enable it dynamically.

Differential Revision: https://phabricator.services.mozilla.com/D110344

gfx/qcms/Cargo.toml

@@ -12,7 +12,7 @@ keywords = ["color"]
 categories = ["graphics"]
 
 [features]
-default = []
+default = ["iccv4-enabled"]
 c_bindings = ["libc"]
 iccv4-enabled = []
 

toolkit/library/rust/shared/Cargo.toml

@@ -69,7 +69,7 @@ firefox-accounts-bridge = { path = "../../../../services/fxaccounts/rust-bridge/
 l10nregistry-ffi = { path = "../../../../intl/l10n/rust/l10nregistry-ffi" }
 
 processtools = { path = "../../../components/processtools" }
-qcms = { path = "../../../../gfx/qcms", features = ["c_bindings"] }
+qcms = { path = "../../../../gfx/qcms", features = ["c_bindings"], default-features = false }
 
 [target.'cfg(not(target_os = "android"))'.dependencies]
 viaduct = { git = "https://github.com/mozilla/application-services", rev = "8a576fbe79199fa8664f64285524017f74ebcc5f"}