[build][gradle-4.4] (cpp, c) gradle plugins for native software injects -I/usr/include/x86_64-linux-gnu to compiler (#1189)

Interop/Indexer/build.gradle

@@ -88,9 +88,13 @@ model {
       eachPlatform {
         cppCompiler.withArguments { args ->
           args.remove "/usr/include"
+          if (isLinux())
+            args.remove "/usr/include/x86_64-linux-gnu"
         }
 	cCompiler.withArguments { args ->
           args.remove "/usr/include"
+          if (isLinux())
+            args.remove "/usr/include/x86_64-linux-gnu"
         }
       }
     }

Interop/Runtime/build.gradle

@@ -47,6 +47,8 @@ model {
        eachPlatform {
          cCompiler.withArguments { args ->
            args.remove "/usr/include"
+           if (isLinux())
+             args.remove "/usr/include/x86_64-linux-gnu"
          }
        }
      }

libclangext/build.gradle

@@ -46,6 +46,8 @@ model {
       eachPlatform {
         cppCompiler.withArguments { args ->
           args.remove "/usr/include"
+          if (isLinux())
+            args.remove "/usr/include/x86_64-linux-gnu"
         }
       }
     }

llvmDebugInfoC/build.gradle

@@ -40,6 +40,8 @@ model {
       eachPlatform {
         cppCompiler.withArguments { args ->
           args.remove "/usr/include"
+          if (isLinux())
+            args.remove "/usr/include/x86_64-linux-gnu"
         }
       }
     }