init: require root for oneshot_on test

Bug: 152630580
Bug: 152637928
Bug: 152662041
Bug: 152662652
Test: this test is skipped when run as non-root
Merged-In: I7118025cc20081a200000bf484a08c9ed0b0d3ec
Change-Id: I7118025cc20081a200000bf484a08c9ed0b0d3ec
(cherry picked from commit 14f4afd2f2d4f24612cc789dada3e9f7b660372a)
diff --git a/init/oneshot_on_test.cpp b/init/oneshot_on_test.cpp
index 7e7cc36..650f065 100644
--- a/init/oneshot_on_test.cpp
+++ b/init/oneshot_on_test.cpp
@@ -26,6 +26,11 @@
 using namespace std::literals;
 
 TEST(init, oneshot_on) {
+    if (getuid() != 0) {
+        GTEST_SKIP() << "Skipping test, must be run as root.";
+        return;
+    }
+
     // Bootanim shouldn't be running once the device has booted.
     ASSERT_EQ("stopped", GetProperty("init.svc.bootanim", ""));