Add Android imports to tests

Author: marcprux

Tests/SystemTests/FileOperationsTest.swift

@@ -14,6 +14,9 @@ import XCTest
 #else
 @testable import System
 #endif
+#if canImport(Android)
+import Android
+#endif
 
 @available(/*System 0.0.1: macOS 11.0, iOS 14.0, watchOS 7.0, tvOS 14.0*/iOS 8, *)
 final class FileOperationsTest: XCTestCase {

Tests/SystemTests/FileTypesTest.swift

@@ -14,6 +14,9 @@ import SystemPackage
 #else
 import System
 #endif
+#if canImport(Android)
+import Android
+#endif
 
 @available(/*System 0.0.1: macOS 11.0, iOS 14.0, watchOS 7.0, tvOS 14.0*/iOS 8, *)
 final class FileDescriptorTest: XCTestCase {