DO NOT MERGE: Drop prebuilt files to android source tree.

The following files have been updated as part of this change:

current/Android.bp
current/snapshot-creation-build-number.txt
current/licenses/build/soong/licenses/LICENSE
current/x86_64/lib/libstatspull.so
current/x86_64/lib/libstatssocket.so
current/x86/lib/libstatspull.so
current/x86/lib/libstatssocket.so
current/arm64/lib/libstatspull.so
current/arm64/lib/libstatssocket.so
current/java_systemserver_libs/snapshot/jars/are/invalid/service-statsd.jar
current/arm/lib/libstatspull.so
current/arm/lib/libstatssocket.so
current/include/packages/modules/StatsD/lib/libstatspull/include/stats_pull_atom_callback.h
current/include/packages/modules/StatsD/lib/libstatspull/include/stats_subscription.h
current/include/packages/modules/StatsD/lib/libstatssocket/include/stats_annotations.h
current/include/packages/modules/StatsD/lib/libstatssocket/include/stats_buffer_writer.h
current/include/packages/modules/StatsD/lib/libstatssocket/include/stats_event.h
current/include/packages/modules/StatsD/lib/libstatssocket/include/stats_socket.h
current/sdk_library/module-lib/framework-statsd-removed.txt
current/sdk_library/module-lib/framework-statsd-stubs.jar
current/sdk_library/module-lib/framework-statsd.srcjar
current/sdk_library/module-lib/framework-statsd.txt
current/sdk_library/module-lib/framework-statsd_annotations.zip
current/sdk_library/public/framework-statsd-removed.txt
current/sdk_library/public/framework-statsd-stubs.jar
current/sdk_library/public/framework-statsd.srcjar
current/sdk_library/public/framework-statsd.txt
current/sdk_library/public/framework-statsd_annotations.zip
current/sdk_library/system/framework-statsd-removed.txt
current/sdk_library/system/framework-statsd-stubs.jar
current/sdk_library/system/framework-statsd.srcjar
current/sdk_library/system/framework-statsd.txt
current/sdk_library/system/framework-statsd_annotations.zip
current/hiddenapi/annotation-flags.csv
current/hiddenapi/filtered-flags.csv
current/hiddenapi/filtered-stub-flags.csv
current/hiddenapi/hiddenapi-max-target-o-low-priority.txt
current/hiddenapi/index.csv
current/hiddenapi/metadata.csv
current/hiddenapi/signature-patterns.csv

Built here: ab/T1007089

This build IS suitable for public release.

The change is generated with prebuilt drop tool.

Test: presubmit
Bug: 285888783
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:232f339f0825476d2ff0bd75ff393c446a1a0923)
Merged-In: Idb85d77744c4f259c2bea5e0ee8aea8da2fab090
Change-Id: Idb85d77744c4f259c2bea5e0ee8aea8da2fab090