InputTracer: Use PackageManagerNative to get package UID

... instead of plumbing the call through InputManagerService via JNI.

Bug: 330360505
Test: manual
Test: atest inputflinger_tests
Change-Id: Ie763733d8dba442afcaea7560e6d997c06ca3877
diff --git a/services/inputflinger/dispatcher/trace/InputTracingPerfettoBackend.h b/services/inputflinger/dispatcher/trace/InputTracingPerfettoBackend.h
index fdfe495..d0bab06 100644
--- a/services/inputflinger/dispatcher/trace/InputTracingPerfettoBackend.h
+++ b/services/inputflinger/dispatcher/trace/InputTracingPerfettoBackend.h
@@ -20,6 +20,7 @@
 
 #include "InputTracingPerfettoBackendConfig.h"
 
+#include <android/content/pm/IPackageManagerNative.h>
 #include <ftl/flags.h>
 #include <perfetto/tracing.h>
 #include <mutex>
@@ -49,11 +50,10 @@
  */
 class PerfettoBackend : public InputTracingBackendInterface {
 public:
-    using GetPackageUid = std::function<gui::Uid(std::string)>;
-
     static bool sUseInProcessBackendForTest;
+    static std::function<sp<content::pm::IPackageManagerNative>()> sPackageManagerProvider;
 
-    explicit PerfettoBackend(GetPackageUid);
+    explicit PerfettoBackend();
     ~PerfettoBackend() override = default;
 
     void traceKeyEvent(const TracedKeyEvent&, const TracedEventMetadata&) override;
@@ -72,7 +72,7 @@
         void OnStart(const StartArgs&) override;
         void OnStop(const StopArgs&) override;
 
-        void initializeUidMap(GetPackageUid);
+        void initializeUidMap();
         bool shouldIgnoreTracedInputEvent(const EventType&) const;
         inline ftl::Flags<TraceFlag> getFlags() const { return mConfig.flags; }
         TraceLevel resolveTraceLevel(const TracedEventMetadata&) const;
@@ -86,10 +86,6 @@
         std::optional<std::map<std::string, gui::Uid>> mUidMap;
     };
 
-    // TODO(b/330360505): Query the native package manager directly from the data source,
-    //   and remove this.
-    GetPackageUid mGetPackageUid;
-
     static std::once_flag sDataSourceRegistrationFlag;
     static std::atomic<int32_t> sNextInstanceId;
 };