[kotlinp] Split :tools:kotlinp into "common" and "jvm" subprojects

The "common" subproject keeps only backend-neutral logic and depends
only on :kotlinx-metadata library. It takes the name of the former
project - :tools:kotlinp

The "jvm" subproject depends on the "common" one and also depends
on :kotlinx-metadata-jvm. It gets the new name - :tools:kotlinp-jvm

There is a lot of touched files in this commit. The majority of them
is just moved files (tests, test data, etc).

Only the following files were actually modified:
  .space/CODEOWNERS
  build.gradle.kts
  libraries/tools/abi-comparator/build.gradle.kts
  libraries/tools/kotlinp/build.gradle.kts
  libraries/tools/kotlinp/jvm/build.gradle.kts
  plugins/kapt3/kapt3-compiler/build.gradle.kts
  settings.gradle

 ^KT-62340

build.gradle.kts

@@ -901,7 +901,7 @@ tasks {
     }
 
     register("toolsTest") {
-        dependsOn(":tools:kotlinp:test")
+        dependsOn(":tools:kotlinp-jvm:test")
         dependsOn(":native:kotlin-klib-commonizer:test")
         dependsOn(":native:kotlin-klib-commonizer-api:test")
         dependsOn(":kotlin-tooling-core:check")