Replace util/shlib_wrap.sh with util/wrap.pl in diverse docs

Reviewed-by: Matthias St. Pierre <Matthias.St.Pierre@ncp-e.com>
(Merged from https://github.com/openssl/openssl/pull/11110)

INSTALL.md

@@ -1545,7 +1545,7 @@ Run all tests in test groups 80 to 99 except for tests in group 90:
 To stochastically verify that the algorithm that produces uniformly distributed
 random numbers is operating correctly (with a false positive rate of 0.01%):
 
-    $ ./util/shlib_wrap.sh test/bntest -stochastic
+    $ ./util/wrap.sh test/bntest -stochastic
 
 Troubleshooting
 ===============

NOTES.VALGRIND

@@ -28,11 +28,11 @@ Test behavior can be modified by adjusting environment variables.
 EXE_SHELL
 
 This variable is used to specify the shell used to execute OpenSSL test
-programs. The default program (util/shlib_wrap.sh) initializes the
-environment to allow programs to find shared libraries. The variable can
-be modified to specify a different executable environment.
+programs. The default wrapper (util/wrap.pl) initializes the environment
+to allow programs to find shared libraries. The variable can be modified
+to specify a different executable environment.
 
-   EXE_SHELL="`/bin/pwd`/util/shlib_wrap.sh valgrind --error-exitcode=1 --leak-check=full -q"
+   EXE_SHELL="`/bin/pwd`/util/wrap.pl valgrind --error-exitcode=1 --leak-check=full -q"
 
 This will start up Valgrind with the default checker (memcheck).
 The --error-exitcode=1 option specifies that Valgrind should exit with an
@@ -62,9 +62,9 @@ INSTALL file in the root of the OpenSSL source tree.
 
 Example command line:
 
-   make test EXE_SHELL="`/bin/pwd`/util/shlib_wrap.sh valgrind --error-exitcode=1 --leak-check=full -q" OPENSSL_ia32cap=":0"
+   make test EXE_SHELL="`/bin/pwd`/util/wrap.pl valgrind --error-exitcode=1 --leak-check=full -q" OPENSSL_ia32cap=":0"
 
 If an error occurs, you can then run the specific test via the TESTS
 variable with the VERBOSE option to gather additional information.
 
-   make test VERBOSE=1 TESTS=test_test EXE_SHELL="`/bin/pwd`/util/shlib_wrap.sh valgrind --error-exitcode=1 --leak-check=full -q" OPENSSL_ia32cap=":0"
+   make test VERBOSE=1 TESTS=test_test EXE_SHELL="`/bin/pwd`/util/wrap.pl valgrind --error-exitcode=1 --leak-check=full -q" OPENSSL_ia32cap=":0"

test/README.ssltest.md

@@ -281,7 +281,7 @@ or for shared builds
 
 ```
 $ CTLOG_FILE=test/ct/log_list.conf  TEST_CERTS_DIR=test/certs \
-  util/shlib_wrap.sh test/ssl_test test/ssl-tests/01-simple.conf
+  util/wrap.pl test/ssl_test test/ssl-tests/01-simple.conf
 ```
 
 Note that the test expectations sometimes depend on the Configure settings. For