Added test cases to dumpsys.

BUG: 28980245
BUG: 33382892

Test: dumpsys_test passes

Change-Id: Ief6c21022abc74022256431351fd6eef789faf39
(cherry picked from commit b6e244914deaffcdeea02deebf7c0da2643f601c)
diff --git a/cmds/dumpsys/tests/Android.bp b/cmds/dumpsys/tests/Android.bp
new file mode 100644
index 0000000..7698ed5
--- /dev/null
+++ b/cmds/dumpsys/tests/Android.bp
@@ -0,0 +1,19 @@
+// Build the unit tests for dumpsys
+cc_test {
+    name: "dumpsys_test",
+
+    srcs: ["dumpsys_test.cpp"],
+
+    shared_libs: [
+        "libbase",
+        "libbinder",
+        "libutils",
+    ],
+
+    static_libs: [
+        "libdumpsys",
+        "libgmock",
+    ],
+
+    clang: true,
+}