[build-script] Add --time-test to build-script invocation for lldb tests.

<rdar://problem/48986159>

Author: Davide Italiano

utils/build-script-impl

@@ -3122,7 +3122,7 @@ for host in "${ALL_HOSTS[@]}"; do
                     with_pushd ${results_dir} \
                         call "${llvm_build_dir}/bin/llvm-lit" \
                              "${lldb_build_dir}/lit" \
-                             ${LLVM_LIT_ARGS} \
+                             ${LLVM_LIT_ARGS} -v --time-tests \
                              --xunit-xml-output=${results_dir}/results.xml \
                              --param dotest-args="--build-dir ${lldb_build_dir}/lldb-test-build.noindex ${LLDB_TEST_SUBDIR_CLAUSE} ${LLDB_TEST_CATEGORIES} -t -E \"${DOTEST_EXTRA}\""
                     if [[ -x "${LLDB_TEST_SWIFT_COMPATIBILITY}" ]] ; then
@@ -3131,7 +3131,7 @@ for host in "${ALL_HOSTS[@]}"; do
                         with_pushd ${results_dir} \
                            call "${llvm_build_dir}/bin/llvm-lit" \
                                 "${lldb_build_dir}/lit" \
-                                ${LLVM_LIT_ARGS} \
+                                ${LLVM_LIT_ARGS} -v --time-tests \
                                 --xunit-xml-output=${results_dir}/results.xml \
                                 --param dotest-args="--build-dir ${lldb_build_dir}/lldb-test-build.noindex ${LLDB_TEST_SUBDIR_CLAUSE} ${LLDB_TEST_CATEGORIES} -G swift-history --swift-compiler \"${LLDB_TEST_SWIFT_COMPATIBILITY}\" -t -E \"${DOTEST_EXTRA}\"" --filter=compat
                     fi