Merge "Use @UsesReflection for LocalTransport keep rules" into main
diff --git a/AconfigFlags.bp b/AconfigFlags.bp
index 34a6215..9f48bf4 100644
--- a/AconfigFlags.bp
+++ b/AconfigFlags.bp
@@ -22,6 +22,8 @@
         ":com.android.window.flags.window-aconfig-java{.generated_srcjars}",
         ":com.android.text.flags-aconfig-java{.generated_srcjars}",
     ],
+    // Add aconfig-annotations-lib as a dependency for the optimization
+    libs: ["aconfig-annotations-lib"],
 }
 
 // Default flags for java_aconfig_libraries that go into framework-minus-apex
diff --git a/core/java/android/service/trust/OWNERS b/core/java/android/service/trust/OWNERS
index 16eb19a..d352525 100644
--- a/core/java/android/service/trust/OWNERS
+++ b/core/java/android/service/trust/OWNERS
@@ -1,3 +1,4 @@
 # Bug component: 36824
 
 jacobhobbie@google.com
+dlm@google.com
diff --git a/libs/androidfw/AssetManager2.cpp b/libs/androidfw/AssetManager2.cpp
index 400829e..fc9dd14 100644
--- a/libs/androidfw/AssetManager2.cpp
+++ b/libs/androidfw/AssetManager2.cpp
@@ -890,13 +890,13 @@
     }
 
     log_stream << "\n\t" << prefix->second << ": " << apk_assets_[step.cookie]->GetDebugName();
-    if (!step.config_name.isEmpty()) {
+    if (!step.config_name.empty()) {
       log_stream << " - " << step.config_name;
     }
   }
 
   log_stream << "\nBest matching is from "
-             << (last_resolution_.best_config_name.isEmpty() ? "default"
+             << (last_resolution_.best_config_name.empty() ? "default"
                                                    : last_resolution_.best_config_name)
              << " configuration of " << last_resolution_.best_package_name;
   return log_stream.str();
diff --git a/media/java/android/media/MediaMetadataRetriever.java b/media/java/android/media/MediaMetadataRetriever.java
index ea26185..1de0881 100644
--- a/media/java/android/media/MediaMetadataRetriever.java
+++ b/media/java/android/media/MediaMetadataRetriever.java
@@ -1155,7 +1155,7 @@
     public static final int OPTION_CLOSEST          = 0x03;
 
     /** @hide */
-    @IntDef(flag = true, prefix = { "OPTION_" }, value = {
+    @IntDef(flag = false, prefix = { "OPTION_" }, value = {
             OPTION_PREVIOUS_SYNC,
             OPTION_NEXT_SYNC,
             OPTION_CLOSEST_SYNC,
diff --git a/packages/Keyguard/proguard.flags b/packages/Keyguard/proguard.flags
deleted file mode 100644
index fb74b64..0000000
--- a/packages/Keyguard/proguard.flags
+++ /dev/null
@@ -1,27 +0,0 @@
--keep public class * {
-  public void setBackgroundAlpha(float);
-  public float getBackgroundAlpha();
-  public void setContentAlpha(float);
-  public float getContentAlpha();
-  public void setAlpha(float);
-  public float getAlpha();
-  public void setAlpha(int);
-  public int getAlpha();
-  public void setRotationX(float);
-  public float getRotationX();
-  public void setRotationY(float);
-  public float getRotationY();
-  public void setPivotX(float);
-  public float getPivotX();
-  public void setPivotY(float);
-  public float getPivotY();
-  public void setScaleX(float);
-  public float getScaleX();
-  public void setScaleY(float);
-  public float getScaleY();
-  public void setTranslationX(float);
-  public float getTranslationX();
-  public void setTranslationY(float);
-  public float getTranslationY();
-}
-
diff --git a/packages/SharedStorageBackup/Android.bp b/packages/SharedStorageBackup/Android.bp
index 21516fa..225b5b4 100644
--- a/packages/SharedStorageBackup/Android.bp
+++ b/packages/SharedStorageBackup/Android.bp
@@ -27,9 +27,6 @@
     name: "SharedStorageBackup",
     defaults: ["platform_app_defaults"],
     srcs: ["src/**/*.java"],
-    optimize: {
-        proguard_flags_files: ["proguard.flags"],
-    },
     platform_apis: true,
     certificate: "platform",
     privileged: true,
diff --git a/packages/SharedStorageBackup/proguard.flags b/packages/SharedStorageBackup/proguard.flags
deleted file mode 100644
index 6a66a47..0000000
--- a/packages/SharedStorageBackup/proguard.flags
+++ /dev/null
@@ -1,2 +0,0 @@
--keep class com.android.sharedstoragebackup.SharedStorageAgent
--keep class com.android.sharedstoragebackup.ObbBackupService
diff --git a/packages/WallpaperBackup/Android.bp b/packages/WallpaperBackup/Android.bp
index d142f25..840e99a 100644
--- a/packages/WallpaperBackup/Android.bp
+++ b/packages/WallpaperBackup/Android.bp
@@ -27,9 +27,6 @@
     name: "WallpaperBackup",
     defaults: ["platform_app_defaults"],
     srcs: ["src/**/*.java"],
-    optimize: {
-        proguard_flags_files: ["proguard.flags"],
-    },
     platform_apis: true,
     certificate: "platform",
     privileged: false,
diff --git a/packages/WallpaperBackup/proguard.flags b/packages/WallpaperBackup/proguard.flags
deleted file mode 100644
index 247e6ef..0000000
--- a/packages/WallpaperBackup/proguard.flags
+++ /dev/null
@@ -1 +0,0 @@
--keep class com.android.wallpaperbackup.WallpaperBackupAgent
diff --git a/services/core/java/com/android/server/audio/AudioService.java b/services/core/java/com/android/server/audio/AudioService.java
index 4c234a0..7e9c253 100644
--- a/services/core/java/com/android/server/audio/AudioService.java
+++ b/services/core/java/com/android/server/audio/AudioService.java
@@ -146,6 +146,7 @@
 import android.os.RemoteCallbackList;
 import android.os.RemoteException;
 import android.os.ResultReceiver;
+import android.os.ServiceDebugInfo;
 import android.os.ServiceManager;
 import android.os.ShellCallback;
 import android.os.SystemClock;
@@ -12322,12 +12323,25 @@
 
     private static final String AUDIO_HAL_SERVICE_PREFIX = "android.hardware.audio";
 
-    private Set<Integer> getAudioHalPids() {
+    private void getAudioAidlHalPids(HashSet<Integer> pids) {
+        try {
+            ServiceDebugInfo[] infos = ServiceManager.getServiceDebugInfo();
+            if (infos == null) return;
+            for (ServiceDebugInfo info : infos) {
+                if (info.debugPid > 0 && info.name.startsWith(AUDIO_HAL_SERVICE_PREFIX)) {
+                    pids.add(info.debugPid);
+                }
+            }
+        } catch (RuntimeException e) {
+            // ignored, pid hashset does not change
+        }
+    }
+
+    private void getAudioHalHidlPids(HashSet<Integer> pids) {
         try {
             IServiceManager serviceManager = IServiceManager.getService();
             ArrayList<IServiceManager.InstanceDebugInfo> dump =
                     serviceManager.debugDump();
-            HashSet<Integer> pids = new HashSet<>();
             for (IServiceManager.InstanceDebugInfo info : dump) {
                 if (info.pid != IServiceManager.PidConstant.NO_PID
                         && info.interfaceName != null
@@ -12335,12 +12349,18 @@
                     pids.add(info.pid);
                 }
             }
-            return pids;
         } catch (RemoteException | RuntimeException e) {
-            return new HashSet<Integer>();
+            // ignored, pid hashset does not change
         }
     }
 
+    private Set<Integer> getAudioHalPids() {
+        HashSet<Integer> pids = new HashSet<>();
+        getAudioAidlHalPids(pids);
+        getAudioHalHidlPids(pids);
+        return pids;
+    }
+
     private void updateAudioHalPids() {
         Set<Integer> pidsSet = getAudioHalPids();
         if (pidsSet.isEmpty()) {
diff --git a/services/core/java/com/android/server/trust/TrustManagerService.java b/services/core/java/com/android/server/trust/TrustManagerService.java
index dfd87ed..04cd7f7 100644
--- a/services/core/java/com/android/server/trust/TrustManagerService.java
+++ b/services/core/java/com/android/server/trust/TrustManagerService.java
@@ -157,9 +157,6 @@
     private final ActivityManager mActivityManager;
     private VirtualDeviceManagerInternal mVirtualDeviceManager;
 
-    @GuardedBy("mUserIsTrusted")
-    private final SparseBooleanArray mUserIsTrusted = new SparseBooleanArray();
-
     private enum TrustState {
         UNTRUSTED, // the phone is not unlocked by any trustagents
         TRUSTABLE, // the phone is in a semi-locked state that can be unlocked if
@@ -1920,9 +1917,6 @@
             } else if (Intent.ACTION_USER_REMOVED.equals(action)) {
                 int userId = getUserId(intent);
                 if (userId > 0) {
-                    synchronized (mUserIsTrusted) {
-                        mUserIsTrusted.delete(userId);
-                    }
                     synchronized (mDeviceLockedForUser) {
                         mDeviceLockedForUser.delete(userId);
                     }
diff --git a/startop/apps/ColorChanging/app/build.gradle b/startop/apps/ColorChanging/app/build.gradle
index ab955aa..11b14c0 100644
--- a/startop/apps/ColorChanging/app/build.gradle
+++ b/startop/apps/ColorChanging/app/build.gradle
@@ -14,7 +14,7 @@
     buildTypes {
         release {
             minifyEnabled false
-            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt')
         }
     }
 }
diff --git a/startop/apps/ColorChanging/app/proguard-rules.pro b/startop/apps/ColorChanging/app/proguard-rules.pro
deleted file mode 100644
index f1b4245..0000000
--- a/startop/apps/ColorChanging/app/proguard-rules.pro
+++ /dev/null
@@ -1,21 +0,0 @@
-# Add project specific ProGuard rules here.
-# You can control the set of applied configuration files using the
-# proguardFiles setting in build.gradle.
-#
-# For more details, see
-#   http://developer.android.com/guide/developing/tools/proguard.html
-
-# If your project uses WebView with JS, uncomment the following
-# and specify the fully qualified class name to the JavaScript interface
-# class:
-#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
-#   public *;
-#}
-
-# Uncomment this to preserve the line number information for
-# debugging stack traces.
-#-keepattributes SourceFile,LineNumberTable
-
-# If you keep the line number information, uncomment this to
-# hide the original source file name.
-#-renamesourcefileattribute SourceFile
diff --git a/tools/aapt/AaptAssets.cpp b/tools/aapt/AaptAssets.cpp
index b94d14f..0fc2617 100644
--- a/tools/aapt/AaptAssets.cpp
+++ b/tools/aapt/AaptAssets.cpp
@@ -1540,7 +1540,7 @@
     }
 
     const String8& featureOfBase = bundle->getFeatureOfPackage();
-    if (!featureOfBase.isEmpty()) {
+    if (!featureOfBase.empty()) {
         if (bundle->getVerbose()) {
             printf("Including base feature resources from package: %s\n",
                     featureOfBase.c_str());
diff --git a/tools/aapt/Command.cpp b/tools/aapt/Command.cpp
index 5a06b10..60f3f27 100644
--- a/tools/aapt/Command.cpp
+++ b/tools/aapt/Command.cpp
@@ -1133,7 +1133,7 @@
                 if (code == ResXMLTree::END_TAG) {
                     depth--;
                     if (depth < 2) {
-                        if (withinSupportsInput && !supportedInput.isEmpty()) {
+                        if (withinSupportsInput && !supportedInput.empty()) {
                             printf("supports-input: '");
                             const size_t N = supportedInput.size();
                             for (size_t i=0; i<N; i++) {
@@ -1300,7 +1300,7 @@
                             ResTable::normalizeForOutput(versionName.c_str()).c_str());
 
                     String8 splitName = AaptXml::getAttribute(tree, NULL, "split");
-                    if (!splitName.isEmpty()) {
+                    if (!splitName.empty()) {
                         printf(" split='%s'", ResTable::normalizeForOutput(
                                     splitName.c_str()).c_str());
                     }
diff --git a/tools/aapt/Resource.cpp b/tools/aapt/Resource.cpp
index 9c944e0..4a360ed 100644
--- a/tools/aapt/Resource.cpp
+++ b/tools/aapt/Resource.cpp
@@ -1285,7 +1285,7 @@
         packageType = ResourceTable::SharedLibrary;
     } else if (bundle->getExtending()) {
         packageType = ResourceTable::System;
-    } else if (!bundle->getFeatureOfPackage().isEmpty()) {
+    } else if (!bundle->getFeatureOfPackage().empty()) {
         packageType = ResourceTable::AppFeature;
     }
 
@@ -3144,7 +3144,7 @@
 
     tree.restart();
 
-    if (!startTags.isEmpty()) {
+    if (!startTags.empty()) {
         bool haveStart = false;
         while ((code=tree.next()) != ResXMLTree::END_DOCUMENT && code != ResXMLTree::BAD_DOCUMENT) {
             if (code != ResXMLTree::START_TAG) {
diff --git a/tools/aapt/ResourceTable.cpp b/tools/aapt/ResourceTable.cpp
index b6a17eb..bccf73e 100644
--- a/tools/aapt/ResourceTable.cpp
+++ b/tools/aapt/ResourceTable.cpp
@@ -1813,7 +1813,7 @@
     mTypeIdOffset = findLargestTypeIdForPackage(assets->getIncludedResources(), mAssetsPackage);
 
     const String8& featureAfter = bundle->getFeatureAfterPackage();
-    if (!featureAfter.isEmpty()) {
+    if (!featureAfter.empty()) {
         AssetManager featureAssetManager;
         if (!featureAssetManager.addAssetPath(featureAfter, NULL)) {
             fprintf(stderr, "ERROR: Feature package '%s' not found.\n",
@@ -1823,7 +1823,7 @@
 
         const ResTable& featureTable = featureAssetManager.getResources(false);
         mTypeIdOffset = std::max(mTypeIdOffset,
-                findLargestTypeIdForPackage(featureTable, mAssetsPackage)); 
+                findLargestTypeIdForPackage(featureTable, mAssetsPackage));
     }
 
     return NO_ERROR;
@@ -3252,7 +3252,7 @@
 
             // If we're building splits, then each invocation of the flattening
             // step will have 'missing' entries. Don't warn/error for this case.
-            if (bundle->getSplitConfigurations().isEmpty()) {
+            if (bundle->getSplitConfigurations().empty()) {
                 bool missing_entry = false;
                 const char* log_prefix = bundle->getErrorOnMissingConfigEntry() ?
                         "error" : "warning";
@@ -4858,7 +4858,7 @@
 
     Vector<sp<XMLNode> > nodesToVisit;
     nodesToVisit.push(root);
-    while (!nodesToVisit.isEmpty()) {
+    while (!nodesToVisit.empty()) {
         sp<XMLNode> node = nodesToVisit.top();
         nodesToVisit.pop();
 
diff --git a/tools/aapt/SourcePos.cpp b/tools/aapt/SourcePos.cpp
index e130286..354a65c 100644
--- a/tools/aapt/SourcePos.cpp
+++ b/tools/aapt/SourcePos.cpp
@@ -78,7 +78,7 @@
         break;
     }
     
-    if (!this->file.isEmpty()) {
+    if (!this->file.empty()) {
         if (this->line >= 0) {
             fprintf(to, "%s:%d: %s%s\n", this->file.c_str(), this->line, type, this->error.c_str());
         } else {
diff --git a/tools/aapt2/DominatorTree_test.cpp b/tools/aapt2/DominatorTree_test.cpp
index 52949da..a0679a6 100644
--- a/tools/aapt2/DominatorTree_test.cpp
+++ b/tools/aapt2/DominatorTree_test.cpp
@@ -50,8 +50,7 @@
  private:
   void VisitConfig(const DominatorTree::Node* node, const int indent) {
     auto config_string = node->value()->config.toString();
-    buffer_ << std::string(indent, ' ')
-            << (config_string.isEmpty() ? "<default>" : config_string)
+    buffer_ << std::string(indent, ' ') << (config_string.empty() ? "<default>" : config_string)
             << std::endl;
   }
 
diff --git a/tools/split-select/SplitDescription.cpp b/tools/split-select/SplitDescription.cpp
index 4e2b48e..7150008 100644
--- a/tools/split-select/SplitDescription.cpp
+++ b/tools/split-select/SplitDescription.cpp
@@ -70,7 +70,7 @@
 String8 SplitDescription::toString() const {
     String8 extension;
     if (abi != abi::Variant_none) {
-        if (extension.isEmpty()) {
+        if (extension.empty()) {
             extension.append(":");
         } else {
             extension.append("-");