Add keystore to system group

 * Required in order to request firmware for hardware implementation

Change-Id: Ibd1ba79667d4489f0972b8fba587a8ba9c6083dd
Merge remote branch 'cm/cm-11.0'
Merge remote branch 'cm/cm-11.0'
Merge remote branch 'cm/cm-11.0'
Merge remote branch 'cm/cm-11.0'
Merge remote branch 'cm/cm-11.0' into HEAD