Fix parsing Gradle version with zero

(cherry picked from commit 732972c)

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/utils/ParsedGradleVersion.kt

@@ -43,7 +43,7 @@ internal data class ParsedGradleVersion(val major: Int, val minor: Int) : Compar
                     ?.let { if (it.all { (it?.value?.length ?: 0).let { it > 0 && it < 4 }}) it else null }
 
             val versions = matches?.mapNotNull { it?.value?.parseIntOrNull() } ?: emptyList()
-            if (versions.size == 2 && versions.all { it > 0 }) {
+            if (versions.size == 2 && versions.all { it >= 0 }) {
                 val (major, minor) = versions
                 return ParsedGradleVersion(major, minor)
             }

libraries/tools/kotlin-gradle-plugin/src/test/kotlin/org/jetbrains/kotlin/gradle/utils/GradleVersionTest.kt

@@ -29,6 +29,7 @@ class GradleVersionTest {
         assertEquals(2 to 14, "2.14.1".parseToPair())
         assertEquals(3 to 2, "3.2-rc-1".parseToPair())
         assertEquals(3 to 2, "3.2".parseToPair())
+        assertEquals(4 to 0, "4.0".parseToPair())
     }
 
     @Test
@@ -37,5 +38,6 @@ class GradleVersionTest {
         assert(ParsedGradleVersion(3, 2) > ParsedGradleVersion(2, 14))
         assert(ParsedGradleVersion(3, 2) > ParsedGradleVersion(3, 1))
         assert(ParsedGradleVersion(3, 2) < ParsedGradleVersion(3, 3))
+        assert(ParsedGradleVersion(4, 0) > ParsedGradleVersion(3, 3))
     }
 }