tree f47c88589e9d7e8c78c34cc17f6022924ca8665d
parent edf5ee881ce2a840f6c332f4d2127b8bf01928ad
author Cassie Wang <cassiewang@google.com> 1612907005 -0800
committer Cassie Wang <cassiewang@google.com> 1613082659 -0800

Fix locking issues.

* Synchronize access to unlocked user cache. The cache will be checked
for each API call. Add synchronization blocks when reading/writing to
it.
* Synchronize and remove double locking for access to static array of
AppSearchImpl instances.

Bug: 179406838
Test: atest -m -c --rebuild-module-info CtsAppSearchTestCases
FrameworksCoreTests: android.app.appsearch
FrameworksServicesTests: com.android.server.appsearch
Change-Id: Ibaf0d6ff07b4e2f15f3479ff56e143a34ce453e3