Add Gradle properties for disabling project's TC integration (#2483)

Use Gradle property no_teamcity_interaction (e.g. gradle -Pno_teamcity_interaction ...) to disable project's TeamCity integration (printing of the library version as build number in this case).

Gradle property build_snapshot_up is also supported.

Co-authored-by: Stanislav Ruban <stanislav.ruban@jetbrains.com>

Author: sandwwraith

build.gradle

@@ -39,6 +39,10 @@ buildscript {
     ]
     ext.koverEnabled = property('kover.enabled') ?: true
 
+    def noTeamcityInteractionFlag = rootProject.hasProperty("no_teamcity_interaction")
+    def buildSnapshotUPFlag = rootProject.hasProperty("build_snapshot_up")
+    ext.teamcityInteractionDisabled = noTeamcityInteractionFlag || buildSnapshotUPFlag
+
     /*
     * This property group is used to build kotlinx.serialization against Kotlin compiler snapshot.
     * When build_snapshot_train is set to true, kotlin_version property is overridden with kotlin_snapshot_version.

gradle/teamcity.gradle

@@ -3,7 +3,7 @@
  */
 
 def teamcitySuffix = project.findProperty("teamcitySuffix")?.toString()
-if (project.hasProperty("teamcity") && !(build_snapshot_train || rootProject.properties['build_snapshot_up'])) {
+if (!teamcityInteractionDisabled && project.hasProperty("teamcity") && !(build_snapshot_train || rootProject.properties['build_snapshot_up'])) {
     // Tell teamcity about version number
     def postfix = (teamcitySuffix == null) ? "" : " ($teamcitySuffix)"
     println("##teamcity[buildNumber '${project.version}${postfix}']")