fixed 8df450d2 from https://gitee.com/i-wangliangliang/third_party_harfbuzz/pulls/40

libharfbuzz.a安装到默认目录libs中
Signed-off-by: i-wangliangliang <willfox@126.com>
Change-Id: I1b1380eae70ac0fd7ccf4a059c97c6a029b6416b

BUILD.gn

@@ -69,7 +69,6 @@ harfbuzz_source = [
 
 if (defined(ohos_lite)) {
   lite_library("harfbuzz") {
-    output_dir = "${root_out_dir}/thirdparty/harfbuzz"
     output_name = "harfbuzz"
     sources = harfbuzz_source
     public_configs = [ ":harfbuzz_config" ]