Frameworks: Add VMRuntime.hasBootImageSpaces check

Log a wtf in the system server when the runtime does not
use a boot image.

Test: m
Test: system boots
Change-Id: I087c269dd1e95eeeab5db4250133f9c61e9399c7
diff --git a/services/java/com/android/server/SystemServer.java b/services/java/com/android/server/SystemServer.java
index 82a2895..439f313 100644
--- a/services/java/com/android/server/SystemServer.java
+++ b/services/java/com/android/server/SystemServer.java
@@ -459,6 +459,12 @@
             }
         }
 
+        // Diagnostic to ensure that the system is in a base healthy state. Done here as a common
+        // non-zygote process.
+        if (!VMRuntime.hasBootImageSpaces()) {
+            Slog.wtf(TAG, "Runtime is not running with a boot image!");
+        }
+
         // Loop forever.
         Looper.loop();
         throw new RuntimeException("Main thread loop unexpectedly exited");