Merge "Remove GC request during the PackageManagerService startup"

        mInjector.getSystemWrapper().enablePackageCaches();

        // Now after opening every single application zip, make sure they

        // are all flushed.  Not really needed, but keeps things nice and

        // tidy.

        t.traceBegin("GC");

        VMRuntime.getRuntime().requestConcurrentGC();

        t.traceEnd();

        // The initial scanning above does many calls into installd while

        // holding the mPackages lock, but we're mostly interested in yelling

        // once we have a booted system.