Building Kotlin/Native itself involves running cinterop in the Gradle
daemon process to reduce build time.
But this optimization appears to be incorrect when reusing Gradle daemon
for subsequent builds.
This commit disables the optimization by default, keeping enabling it
possible using `kotlin.native.allowRunningCinteropInProcess=true`
project property.
For more details see ^KT-61300
Svyatoslav Scherbina
04d01e381f