Refactor packageinstaller to permissioncontroller

renamed "packageinstaller" package to "permissioncontroller"

Fixes: 141707344

Test: flash new permissioncontroller, ensure UI still functions
correctly.

Change-Id: Id5a4285b1ad5ce3a3c70fce974893e34220d9bc5
diff --git a/PermissionController/proguard.flags b/PermissionController/proguard.flags
index a2e5884..4e883a0 100644
--- a/PermissionController/proguard.flags
+++ b/PermissionController/proguard.flags
@@ -8,6 +8,6 @@
 -dontwarn androidx.core.**
 
 # Keep classes that implements RoleBehavior, which are used by reflection.
--keep class * implements com.android.packageinstaller.role.model.RoleBehavior {
+-keep class * implements com.android.permissioncontroller.role.model.RoleBehavior {
     *;
 }