Android test runner: don't copy libboringssl_gtest.so.

It's now always a static library since
https://boringssl-review.googlesource.com/c/boringssl/+/88708

Bug: 42220000
Change-Id: I7e928bec4e20cff8cfde47fcd34a28866a6a6964
Reviewed-on: https://boringssl-review.googlesource.com/c/boringssl/+/88868
Reviewed-by: Xiangfei Ding <xfding@google.com>
Commit-Queue: Xiangfei Ding <xfding@google.com>
Auto-Submit: Rudolf Polzer <rpolzer@google.com>
Commit-Queue: Rudolf Polzer <rpolzer@google.com>

util/run_android_tests.go

diff --git a/util/run_android_tests.go b/util/run_android_tests.go
index a0571a5..7fc1e7e 100644
--- a/util/run_android_tests.go
+++ b/util/run_android_tests.go
@@ -364,7 +364,6 @@
 	var libraries []string
 	if _, err := os.Stat(filepath.Join(*buildDir, "libcrypto.so")); err == nil {
 		libraries = []string{
-			"libboringssl_gtest.so",
 			"libcrypto.so",
 			"libdecrepit.so",
 			"libpki.so",