Add an API to return Health Info

Bug: 71860528
Test: vts-tradefed run vts -m VtsHalHealthV2_0

Change-Id: I5e0defdabcd8e44b32a6eab609492ff354512e64
diff --git a/health/2.0/IHealth.hal b/health/2.0/IHealth.hal
index a33bb15..9303ba1 100644
--- a/health/2.0/IHealth.hal
+++ b/health/2.0/IHealth.hal
@@ -160,4 +160,15 @@
      *               The mapping is index 0->sda, 1->sdb and so on.
      */
     getDiskStats() generates (Result result, vec<DiskStats> value);
+
+    /**
+     * Get Health Information.
+     *
+     * @return result SUCCESS if successful,
+     *                NOT_SUPPORTED if this API is not supported,
+     *                UNKNOWN for other errors.
+     * @return value  Health information, to be ignored if result is not
+     *                SUCCESS.
+     */
+    getHealthInfo() generates (Result result, @2.0::HealthInfo value);
 };