Enable Linux terminal app via developer settings

LinuxInstaller wouldn't enable linux terminal app any more.
(and will be merged to terminal app soon)

Bug: 369246712
Test: `atest SettingsRoboTests`, try toggle the option, \
      and try search with 'Linux'.
Flag: RELEASE_AVF_SUPPORT_CUSTOM_VM_WITH_PARAVIRTUALIZED_DEVICES
Change-Id: I1f00dd7114b7b4e0f95c069481637d853b5de9a9
diff --git a/android/LinuxInstaller/java/com/android/virtualization/linuxinstaller/MainActivity.java b/android/LinuxInstaller/java/com/android/virtualization/linuxinstaller/MainActivity.java
index 0351f97..9b0ec97 100644
--- a/android/LinuxInstaller/java/com/android/virtualization/linuxinstaller/MainActivity.java
+++ b/android/LinuxInstaller/java/com/android/virtualization/linuxinstaller/MainActivity.java
@@ -18,11 +18,6 @@
 
 import android.annotation.WorkerThread;
 import android.app.Activity;
-import android.content.ComponentName;
-import android.content.Intent;
-import android.content.pm.ActivityInfo;
-import android.content.pm.PackageManager;
-import android.content.pm.ResolveInfo;
 import android.os.Bundle;
 import android.os.Environment;
 import android.os.SystemProperties;
@@ -65,12 +60,6 @@
     }
 
     private void installLinuxImage() {
-        ComponentName vmTerminalComponent = resolve(getPackageManager(), ACTION_VM_TERMINAL);
-        if (vmTerminalComponent == null) {
-            updateStatus("Failed to resolve VM terminal");
-            return;
-        }
-
         if (!hasLocalAssets()) {
             updateStatus("No local assets");
             return;
@@ -81,12 +70,6 @@
             Log.e(TAG, "failed to update image", e);
             return;
         }
-        updateStatus("Enabling terminal app...");
-        getPackageManager()
-                .setComponentEnabledSetting(
-                        vmTerminalComponent,
-                        PackageManager.COMPONENT_ENABLED_STATE_ENABLED,
-                        PackageManager.DONT_KILL_APP);
         updateStatus("Done.");
     }
 
@@ -190,18 +173,4 @@
                     statusView.append(line + "\n");
                 });
     }
-
-    private ComponentName resolve(PackageManager pm, String action) {
-        Intent intent = new Intent(action);
-        List<ResolveInfo> resolveInfos = pm.queryIntentActivities(intent, PackageManager.MATCH_ALL);
-        if (resolveInfos.size() != 1) {
-            Log.w(
-                    TAG,
-                    "Failed to resolve activity, action=" + action + ", resolved=" + resolveInfos);
-            return null;
-        }
-        ActivityInfo activityInfo = resolveInfos.getFirst().activityInfo;
-        // MainActivityAlias shows in Launcher
-        return new ComponentName(activityInfo.packageName, activityInfo.name + "Alias");
-    }
 }
diff --git a/android/TerminalApp/AndroidManifest.xml b/android/TerminalApp/AndroidManifest.xml
index f09412e..bd1395a 100644
--- a/android/TerminalApp/AndroidManifest.xml
+++ b/android/TerminalApp/AndroidManifest.xml
@@ -12,15 +12,18 @@
     <uses-feature android:name="android.software.virtualization_framework" android:required="true" />
 
     <application
-	android:label="@string/app_name"
+        android:label="@string/app_name"
         android:icon="@mipmap/ic_launcher"
         android:theme="@style/Theme.Material3.DayNight.NoActionBar"
-        android:usesCleartextTraffic="true">
+        android:usesCleartextTraffic="true"
+        android:enabled="false">
         <activity android:name=".MainActivity"
                   android:configChanges="orientation|screenSize|keyboard|keyboardHidden|navigation|uiMode|screenLayout|smallestScreenSize"
                   android:exported="true">
             <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
                 <action android:name="android.virtualization.VM_TERMINAL" />
+                <category android:name="android.intent.category.LAUNCHER" />
                 <category android:name="android.intent.category.DEFAULT" />
             </intent-filter>
         </activity>
@@ -44,20 +47,9 @@
                 android:name="${applicationId}.SplitInitializer"
                 android:value="androidx.startup" />
         </provider>
-        <activity-alias
-            android:name=".MainActivityAlias"
-            android:targetActivity="com.android.virtualization.terminal.MainActivity"
-            android:exported="true"
-            android:enabled="false" >
-            <intent-filter>
-                <action android:name="android.intent.action.MAIN" />
-                <category android:name="android.intent.category.LAUNCHER" />
-            </intent-filter>
-        </activity-alias>
 
         <service
             android:name="com.android.virtualization.vmlauncher.VmLauncherService"
-            android:enabled="true"
             android:exported="false"
             android:foregroundServiceType="specialUse">
             <property