Use Gson built from source. am: 7ddb89d3d8 am: a7762b08e3 am: 5f3d39619e am: 401c98c20a am: 9d05aae80c

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

Change-Id: Ie8b20b122cbd7c9efd42bcc5bc472a6575ec638b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>