[build][gradle][4.4] upgrade (HACK inside see comment in body)

Gradle native software plugins adds -I/usr/include that inroduce conflict with our --systemroot flags,
so we had to add following hack over it:

 /* HACK over gradle 4.4, it adds /usr/include, that affects our --sysroot flag */
toolChains {
  clang(Clang) {
    eachPlatform {
      cppCompiler.withArguments { args ->
        args.remove /usr/include
      }
    }
  }
}

Interop/Indexer/build.gradle

@@ -82,6 +82,16 @@ model {
         }
    }
 
+  /* HACK over gradle 4.4, it adds /usr/include, that affects our --sysroot flag */
+  toolChains {
+    clang(Clang) {
+      eachPlatform {
+        cppCompiler.withArguments { args ->
+          args.remove "/usr/include"
+        }
+      }
+    }
+  }
 }
 
 sourceSets {

gradle/wrapper/gradle-wrapper.properties

@@ -2,4 +2,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.3.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip

libclangext/build.gradle

@@ -39,4 +39,15 @@ model {
             }
         }
     }
+
+  /* HACK over gradle 4.4, it adds /usr/include, that affects our --sysroot flag */
+  toolChains {
+    clang(Clang) {
+      eachPlatform {
+        cppCompiler.withArguments { args ->
+          args.remove "/usr/include"
+        }
+      }
+    }
+  }
 }

llvmDebugInfoC/build.gradle

@@ -25,7 +25,7 @@ model {
         binaries.withType(StaticLibraryBinarySpec) { binary ->
           if (!project.parent.convention.plugins.platformInfo.isWindows())
              cppCompiler.args "-fPIC"
-          cppCompiler.args "--std=c++11", "-g", "-I${llvmDir}/include", "-I${projectDir}/src/main/include"
+          cppCompiler.args "--std=c++11", "-I${llvmDir}/include", "-I${projectDir}/src/main/include"
           linker.args "-L${llvmDir}/lib", "-lLLVMCore", "-lLLVMSupport"
         }
         binaries.withType(SharedLibraryBinarySpec) { binary ->
@@ -33,4 +33,15 @@ model {
         }
     }
   }
+
+  /* HACK over gradle 4.4, it adds /usr/include, that affects our --sysroot flag */
+  toolChains {
+    clang(Clang) {
+      eachPlatform {
+        cppCompiler.withArguments { args ->
+          args.remove "/usr/include"
+        }
+      }
+    }
+  }
 }