isTransient with default value as false makes it a bit more readable
Some Compiler Plugins can use file outputs properties to dump some data
there and gradle can support incremental build
with file outputs.
For example it fixes compilation of `:kotlin-ide.kotlin.generators:testClasses`
This commit fixes that Gradle tries to find jars of 202 IDEA in ivy repo of 211 IDEA:
```
* What went wrong:
Execution failed for task ':kotlin-ide.kotlin.tests-common:compileTestKotlin'.
> Could not resolve all files for configuration ':kotlin-ide.kotlin.tests-common:testCompileClasspath'.
> Could not find extensions-211.6693.111.jar (kotlin.build:ideaIC:211.6693.111).
Searched in the following locations:
file:/home/bobko/.gradle/kotlin-build-dependencies/repo/kotlin.build/ideaIC/211.6693.111/artifacts/lib/extensions.jar
file:/home/bobko/.gradle/kotlin-build-dependencies/repo/kotlin.build/ideaIC/211.6693.111/artifacts/extensions.jar
file:/home/bobko/.gradle/kotlin-build-dependencies/repo/kotlin.build/intellij-core/211.6693.111/artifacts/extensions.jar
file:/home/bobko/.gradle/kotlin-build-dependencies/repo/kotlin.build/ideaIC/211.6693.111/artifacts/plugins/ideaIC/lib/extensions.jar
file:/home/bobko/.gradle/kotlin-build-dependencies/repo/kotlin.build/sources/extensions-211.6693.111.jar
file:/home/bobko/.gradle/kotlin-build-dependencies/repo/kotlin.build/ideaIC/211.6693.111/extensions.jar
> Could not find guava-29.0-jre-211.6693.111.jar (kotlin.build:ideaIC:211.6693.111).
Searched in the following locations:
file:/home/bobko/.gradle/kotlin-build-dependencies/repo/kotlin.build/ideaIC/211.6693.111/artifacts/lib/guava-29.0-jre.jar
file:/home/bobko/.gradle/kotlin-build-dependencies/repo/kotlin.build/ideaIC/211.6693.111/artifacts/guava-29.0-jre.jar
file:/home/bobko/.gradle/kotlin-build-dependencies/repo/kotlin.build/intellij-core/211.6693.111/artifacts/guava-29.0-jre.jar
file:/home/bobko/.gradle/kotlin-build-dependencies/repo/kotlin.build/ideaIC/211.6693.111/artifacts/plugins/ideaIC/lib/guava-29.0-jre.jar
file:/home/bobko/.gradle/kotlin-build-dependencies/repo/kotlin.build/sources/guava-29.0-jre-211.6693.111.jar
file:/home/bobko/.gradle/kotlin-build-dependencies/repo/kotlin.build/ideaIC/211.6693.111/guava-29.0-jre.jar
> Could not find asm-all-8.0.1-211.6693.111.jar (kotlin.build:ideaIC:211.6693.111).
Searched in the following locations:
file:/home/bobko/.gradle/kotlin-build-dependencies/repo/kotlin.build/ideaIC/211.6693.111/artifacts/lib/asm-all-8.0.1.jar
file:/home/bobko/.gradle/kotlin-build-dependencies/repo/kotlin.build/ideaIC/211.6693.111/artifacts/asm-all-8.0.1.jar
file:/home/bobko/.gradle/kotlin-build-dependencies/repo/kotlin.build/intellij-core/211.6693.111/artifacts/asm-all-8.0.1.jar
file:/home/bobko/.gradle/kotlin-build-dependencies/repo/kotlin.build/ideaIC/211.6693.111/artifacts/plugins/ideaIC/lib/asm-all-8.0.1.jar
file:/home/bobko/.gradle/kotlin-build-dependencies/repo/kotlin.build/sources/asm-all-8.0.1-211.6693.111.jar
file:/home/bobko/.gradle/kotlin-build-dependencies/repo/kotlin.build/ideaIC/211.6693.111/asm-all-8.0.1.jar
> Could not find streamex-0.7.2-211.6693.111.jar (kotlin.build:ideaIC:211.6693.111).
Searched in the following locations:
file:/home/bobko/.gradle/kotlin-build-dependencies/repo/kotlin.build/ideaIC/211.6693.111/artifacts/lib/streamex-0.7.2.jar
file:/home/bobko/.gradle/kotlin-build-dependencies/repo/kotlin.build/ideaIC/211.6693.111/artifacts/streamex-0.7.2.jar
file:/home/bobko/.gradle/kotlin-build-dependencies/repo/kotlin.build/intellij-core/211.6693.111/artifacts/streamex-0.7.2.jar
file:/home/bobko/.gradle/kotlin-build-dependencies/repo/kotlin.build/ideaIC/211.6693.111/artifacts/plugins/ideaIC/lib/streamex-0.7.2.jar
file:/home/bobko/.gradle/kotlin-build-dependencies/repo/kotlin.build/sources/streamex-0.7.2-211.6693.111.jar
file:/home/bobko/.gradle/kotlin-build-dependencies/repo/kotlin.build/ideaIC/211.6693.111/streamex-0.7.2.jar
```
The approach with doLast doesn't work if the test binary failed.
This patch uses a finalization task instead to ensure that we
process the XML report regardless of whether the tests pass
or fail.
For some reason, ptrdiff_t is missing in platform.posix on MIPS,
yet referenced from platform.linux.__morecore. Fixed by adding parent
header.
This fix is ABI for MIPS targets breaking because some declarations move
from platform.linux to platform.posix package.
^KT-46957 Fixed
Aleksei.Cherepanov