Revert "Make the keystore domain enforcing."

This is causing runtime restarts on flo/deb when uninstalling
some APKs. Revert while I investigate it.

11-04 21:52:41.487   687   704 I ActivityManager: Force stopping com.android.development appid=10078 user=-1: uninstall pkg
11-04 21:52:41.487   687   712 W PackageManager: Couldn't delete native library directory /data/app-lib/com.android.development
11-04 21:52:41.557   687   712 W dalvikvm: threadid=20: thread exiting with uncaught exception (group=0x959dfae8)
11-04 21:52:41.557   687   712 E AndroidRuntime: *** FATAL EXCEPTION IN SYSTEM PROCESS: PackageManager
11-04 21:52:41.557   687   712 E AndroidRuntime: java.lang.NullPointerException
11-04 21:52:41.557   687   712 E AndroidRuntime:        at android.security.KeyStore.clearUid(KeyStore.java:327)
11-04 21:52:41.557   687   712 E AndroidRuntime:        at com.android.server.pm.PackageManagerService.removeKeystoreDataIfNeeded(PackageManagerService.java:9787)
11-04 21:52:41.557   687   712 E AndroidRuntime:        at com.android.server.pm.PackageManagerService.removePackageDataLI(PackageManagerService.java:9384)
11-04 21:52:41.557   687   712 E AndroidRuntime:        at com.android.server.pm.PackageManagerService.deleteInstalledPackageLI(PackageManagerService.java:9503)
11-04 21:52:41.557   687   712 E AndroidRuntime:        at com.android.server.pm.PackageManagerService.deletePackageLI(PackageManagerService.java:9612)
11-04 21:52:41.557   687   712 E AndroidRuntime:        at com.android.server.pm.PackageManagerService.deletePackageX(PackageManagerService.java:9239)
11-04 21:52:41.557   687   712 E AndroidRuntime:        at com.android.server.pm.PackageManagerService.access$4100(PackageManagerService.java:178)
11-04 21:52:41.557   687   712 E AndroidRuntime:        at com.android.server.pm.PackageManagerService$7.run(PackageManagerService.java:9173)
11-04 21:52:41.557   687   712 E AndroidRuntime:        at android.os.Handler.handleCallback(Handler.java:733)
11-04 21:52:41.557   687   712 E AndroidRuntime:        at android.os.Handler.dispatchMessage(Handler.java:95)
11-04 21:52:41.557   687   712 E AndroidRuntime:        at android.os.Looper.loop(Looper.java:136)
11-04 21:52:41.557   687   712 E AndroidRuntime:        at android.os.HandlerThread.run(HandlerThread.java:61)
11-04 21:52:41.567   687   712 I Process : Sending signal. PID: 687 SIG: 9

and

[    7.324554] type=1400 audit(1383601030.823:5): avc:  denied  { read write } for  pid=192 comm="keystore" name="qseecom" dev="tmpfs" ino=7521 scontext=u:r:keystore:s0 tcontext=u:object_r:device:s0 tclass=chr_file

This reverts commit 709d7183.

Bug: 11518274

keystore.te

 type keystore, domain;
+permissive keystore;
 type keystore_exec, exec_type, file_type;
 
 # keystore daemon