TEST_MAPPING: add libmodprobe_tests to presubmit

Bug: 143884053
Test: atest libmodprobe_tests
Change-Id: I0050ebab3ff7c994bd7a67229db9b0a2c8ed8e09
diff --git a/TEST_MAPPING b/TEST_MAPPING
index 51d5755..d6945e3 100644
--- a/TEST_MAPPING
+++ b/TEST_MAPPING
@@ -25,6 +25,9 @@
       "name": "libcutils_test"
     },
     {
+      "name": "libmodprobe_tests"
+    },
+    {
       "name": "libprocinfo_test"
     },
     {