[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

libraries/tools/kotlinp/jvm/testData/scriptSimple.txt

@@ -0,0 +1,52 @@
+// ScriptSimple.class
+// ------------------------------------------
+public final class ScriptSimple {
+
+  // signature: foo(LScriptSimple$A;)Ljava/lang/String;
+  public final fun A.foo(): kotlin/String
+
+  // field: a:I
+  // getter: getA()I
+  public final val a: kotlin/Int /* = ... */
+    public final get
+
+  // nested class: A
+
+  // nested class: B
+
+  // module name: test-module
+}
+// ScriptSimple$A.class
+// ------------------------------------------
+public final class A : kotlin/Any {
+
+  // signature: <init>(Ljava/lang/String;)V
+  public constructor(p: kotlin/String)
+
+  // field: p:Ljava/lang/String;
+  // getter: getP()Ljava/lang/String;
+  public final val p: kotlin/String
+    public final get
+
+  // module name: test-module
+}
+// ScriptSimple$B.class
+// ------------------------------------------
+public final class B<T#0 /* T */> : kotlin/Any {
+
+  // requires language version 1.7.0 (level=ERROR)
+  // signature: <init>(Ljava/lang/Object;)V
+  public constructor(v: T#0 & Any)
+
+  // requires language version 1.7.0 (level=ERROR)
+  // field: v:Ljava/lang/Object;
+  // getter: getV()Ljava/lang/Object;
+  public final val v: T#0 & Any
+    public final get
+
+  // module name: test-module
+}
+// META-INF/test-module.kotlin_module
+// ------------------------------------------
+module {
+}