Use Gson built from source. am: 7ddb89d3d8 am: a7762b08e3

Original change: https://android-review.googlesource.com/c/platform/external/caliper/+/2770178

Change-Id: I8f63e0da41ee46f91d5ee1e3ebc9686afe6704de
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
diff --git a/Android.bp b/Android.bp
index b48ee41..ca870cd 100644
--- a/Android.bp
+++ b/Android.bp
@@ -65,6 +65,7 @@
         "apache-commons-math",
         "caliper-prebuilts",
         "dagger2",
+        "gson",
         "guava",
         "jsr330",
     ],
@@ -152,14 +153,8 @@
 // ============================================================
 
 java_import_host {
-    name: "caliper-gson",
-    jars: ["lib/gson-2.2.2.jar"],
-}
-
-java_import_host {
     name: "caliper-prebuilts",
     jars: [
-        "lib/gson-2.2.2.jar",
         "lib/java-allocation-instrumenter-2.0.jar",
         "lib/jersey-client-1.11.jar",
         "lib/jersey-core-1.11.jar",