Fix typo in `apple_common.platform` docs
Closes
@@ -87,7 +87,7 @@ public interface AppleCommonApi<
+ "<li><code>tvos_device</code></li>"
+ "<li><code>tvos_simulator</code></li>"
+ "<li><code>watchos_device</code></li>"
- + "<li><code>watchos_device</code></li>"
+ + "<li><code>watchos_simulator</code></li>"
+ "</ul><p>"
+ "These values can be passed to methods that expect a platform, like "
+ "<a href='XcodeVersionConfig.html#sdk_version_for_platform'>"
