Make libstatssocket shared

Also make private versions of the libraries available to link statically
for tests. We should try to figure out a better long term solution.

Test: m
Test: bit statsd_test:*
Test: atest LibStatsPullTests
Test: bit libstatssocket_test:*
Test: atest GtsStatsdHostTestCases
Bug: 149340100

Merged-In: I05b91efab2a657aec75d436575aff4373f86ed3f
(cherry picked from commit eb7d8f4675)
Change-Id: I05b91efab2a657aec75d436575aff4373f86ed3f

tools/stats_log_api_gen/Android.bp

@@ -122,6 +122,13 @@ cc_library {
         "liblog",
         "libcutils",
     ],
-    static_libs: ["libstatssocket"],
+    target: {
+        android: {
+            shared_libs: ["libstatssocket"],
+        },
+        host: {
+            static_libs: ["libstatssocket"],
+        },
+    },
 }