Upgrade uvwasi to 1.42.0 and fix Android link issues (#938)

Upgrade uvwasi to 1.42.0 and fix Android link issues reported by #934

Author: wenyongh

core/iwasm/libraries/libc-uvwasi/libc_uvwasi.cmake

@@ -3,7 +3,7 @@
 
 set (LIBC_WASI_DIR ${CMAKE_CURRENT_LIST_DIR})
 set (UVWASI_DIR ${CMAKE_CURRENT_LIST_DIR}/../../../deps/uvwasi)
-set (LIBUV_VERSION v1.39.0)
+set (LIBUV_VERSION v1.42.0)
 
 add_definitions (-DWASM_ENABLE_LIBC_WASI=1 -DWASM_ENABLE_UVWASI=1)
 
@@ -21,6 +21,7 @@ if(NOT libuv_POPULATED)
     include_directories("${libuv_SOURCE_DIR}/include")
     add_subdirectory(${libuv_SOURCE_DIR} ${libuv_BINARY_DIR} EXCLUDE_FROM_ALL)
     set (UV_A_LIBS uv_a)
+    set_target_properties(uv_a PROPERTIES POSITION_INDEPENDENT_CODE 1)
 endif()
 
 include_directories(${UVWASI_DIR}/include)

core/shared/platform/android/platform_init.c

@@ -89,6 +89,50 @@ readlinkat(int __dir_fd, const char *__path, char *__buf, size_t __buf_size)
     return -1;
 }
 
+int
+accept4(int __fd, struct sockaddr *__addr, socklen_t *__addr_length,
+        int __flags)
+{
+    API_NOT_SUPPORT_ERROR(accept4, 21);
+    return -1;
+}
+
+int
+dup3(int oldfd, int newfd, int cloexec)
+{
+    API_NOT_SUPPORT_ERROR(dup3, 21);
+    return -1;
+}
+
+int
+pthread_condattr_setclock(pthread_condattr_t *attr, clockid_t clock_id)
+{
+    API_NOT_SUPPORT_ERROR(pthread_condattr_setclock, 21);
+    return -1;
+}
+
+int
+epoll_create1(int flags)
+{
+    API_NOT_SUPPORT_ERROR(epoll_create1, 21);
+    return -1;
+}
+
+int
+epoll_pwait(int epfd, struct epoll_event *events, int maxevents, int timeout,
+            const sigset_t *sigmask)
+{
+    API_NOT_SUPPORT_ERROR(epoll_pwait, 21);
+    return -1;
+}
+
+int
+inotify_init1(int flags)
+{
+    API_NOT_SUPPORT_ERROR(inotify_init1, 21);
+    return -1;
+}
+
 #endif
 
 #if __ANDROID_API__ < 23