Merge changes from topic "master_2019c"

* changes:
  Update tzdb version from 2019b to 2019c
  Update tools to invoke Soong properly
diff --git a/distro/core/src/main/com/android/timezone/distro/TEST_MAPPING b/distro/core/src/main/com/android/timezone/distro/TEST_MAPPING
new file mode 100644
index 0000000..06f5747
--- /dev/null
+++ b/distro/core/src/main/com/android/timezone/distro/TEST_MAPPING
@@ -0,0 +1,12 @@
+{
+  "presubmit": [
+    {
+      "name": "CtsLibcoreTestCases",
+      "options": [
+        {
+          "include-filter": "com.android.timezone.distro"
+        }
+      ]
+    }
+  ]
+}
\ No newline at end of file
diff --git a/distro/installer/src/main/com/android/timezone/distro/installer/TEST_MAPPING b/distro/installer/src/main/com/android/timezone/distro/installer/TEST_MAPPING
new file mode 100644
index 0000000..f77d1f4
--- /dev/null
+++ b/distro/installer/src/main/com/android/timezone/distro/installer/TEST_MAPPING
@@ -0,0 +1,12 @@
+{
+  "presubmit": [
+    {
+      "name": "CtsLibcoreTestCases",
+      "options": [
+        {
+          "include-filter": "com.android.timezone.distro.installer"
+        }
+      ]
+    }
+  ]
+}
\ No newline at end of file