Decrease PackageManagerService wait time for vold

Up the blocking queue maximum to twice the number of containers we
allow which should let "asec list" complete without blocking the thread
several times.

Change the threads for the NativeDaemonConnector to vold and netd to be
more descriptive instead of the same name.

Bug: 2501075
Change-Id: I7e7949845a6c70a3d619aec0fa79ceef3c17a4be
diff --git a/services/java/com/android/server/PackageManagerService.java b/services/java/com/android/server/PackageManagerService.java
index 1141fdce..f5862df 100644
--- a/services/java/com/android/server/PackageManagerService.java
+++ b/services/java/com/android/server/PackageManagerService.java
@@ -9383,17 +9383,18 @@
 
     // ------- apps on sdcard specific code -------
     static final boolean DEBUG_SD_INSTALL = false;
-    final private String mSdEncryptKey = "AppsOnSD";
-    final private String mSdEncryptAlg = "AES";
+    private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD";
+    private static final String SD_ENCRYPTION_ALGORITHM = "AES";
+    static final int MAX_CONTAINERS = 250;
     private boolean mMediaMounted = false;
-    private static final int MAX_CONTAINERS = 250;
 
     private String getEncryptKey() {
         try {
-            String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString(mSdEncryptKey);
+            String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString(
+                    SD_ENCRYPTION_KEYSTORE_NAME);
             if (sdEncKey == null) {
-                sdEncKey = SystemKeyStore.getInstance().
-                        generateNewKeyHexString(128, mSdEncryptAlg, mSdEncryptKey);
+                sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128,
+                        SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME);
                 if (sdEncKey == null) {
                     Slog.e(TAG, "Failed to create encryption keys");
                     return null;