libsrtp: add run_tests.sh (#13600)

`infra/experimental/chronos/check_tests.sh libsrtp c`

```
...
Build done. Please run 'make runtest' to run self tests.                                                                                                   
running libsrtp3 test applications...                                                                                                                      
crypto/test/cipher_driver -v >/dev/null                                                                                                                    
crypto/test/kernel_driver -v >/dev/null                                                                                                                    
test/test_srtp >/dev/null                                                                                                                                  
test/rdbx_driver -v >/dev/null                                                                                                                             
test/srtp_driver -v >/dev/null                                                                                                                             
test/roc_driver -v >/dev/null                                                                                                                              
test/replay_driver -v >/dev/null                                                                                                                           
cd test;  /src/libsrtp/test/rtpw_test.sh -w /src/libsrtp/test/words.txt >/dev/null                                                                         
libsrtp3 test applications passed.                                           
make -C crypto runtest                                                                                                                                     
make[1]: Entering directory '/src/libsrtp/crypto'                      
test/env # print out information on the build environment                    
CPU set to little-endian                (WORDS_BIGENDIAN == 0)               
CPU set to CISC                         (CPU_CISC == 1)                      
running crypto test applications...
test `test/aes_calc 000102030405060708090a0b0c0d0e0f 00112233445566778899aabbccddeeff` = 69c4e0d86a7b0430d8cdb78070b4c55a
test `test/aes_calc 000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f 00112233445566778899aabbccddeeff` = 8ea2b7ca516745bfeafc49904b496089
test/sha1_driver -v >/dev/null
test/cipher_driver -v >/dev/null
test/datatypes_driver -v >/dev/null
test/kernel_driver -v >/dev/null
crypto test applications passed.
make[1]: Leaving directory '/src/libsrtp/crypto'
/src
```

Signed-off-by: Adam Korczynski <adam@adalogics.com>

Author: AdamKorcz

projects/libsrtp/Dockerfile

@@ -18,4 +18,4 @@ FROM gcr.io/oss-fuzz-base/base-builder
 RUN apt-get update && apt-get install -y sudo autoconf build-essential libssl-dev pkg-config
 
 RUN git clone --depth 1 https://github.com/cisco/libsrtp
-COPY build.sh $SRC/
+COPY build.sh run_tests.sh $SRC/

projects/libsrtp/build.sh

@@ -1,7 +1,24 @@
+#!/bin/bash -eu
+# Copyright 2025 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+################################################################################
 cd $SRC/libsrtp
 autoreconf -ivf
 ./configure
 LIBFUZZER="$LIB_FUZZING_ENGINE" make srtp-fuzzer
+make test
 zip -r srtp-fuzzer_seed_corpus.zip fuzzer/corpus
 cp $SRC/libsrtp/fuzzer/srtp-fuzzer $OUT
 cp srtp-fuzzer_seed_corpus.zip $OUT

projects/libsrtp/run_tests.sh

@@ -0,0 +1,20 @@
+#!/bin/bash -eu
+# Copyright 2025 Google LLC.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+################################################################################
+
+pushd $SRC/libsrtp
+  make runtest
+popd