[DO NOT MERGE] Revert "Make libstatssocket shared"

This reverts commit 3944f2d9.

Specifically, we're reverting
https://googleplex-android-review.git.corp.google.com/c/platform/frameworks/base/+/11419426/1

Test: Local 'm -j71 out/soong/.intermediates/frameworks/base/tools/stats_log_api_gen/libstatslog/android_arm64_armv8-a_shared_com.android.bluetooth.updatable/unstripped/libstatslog.so'
Bug: 156091657
Change-Id: I076a3b57123c329ecc68ae36f081f642ac2c48fb