PIE:  Header with time/date for both panels (prime-time)

PS2:  Fixed build, removed showAlways line in the
      pie_expanded_panel.xml (line 42)

https://github.com/ParanoidAndroid/android_frameworks_base/commit/a10e973470f79b2ef7b62c99717ae5f04ada8ba7

https://github.com/ParanoidAndroid/android_frameworks_base/commit/051a0b072668950a2c43af6476a94c5013541f85

https://github.com/ParanoidAndroid/android_frameworks_base/commit/7acbbdfb959de2848e327a123d56a9d236fde192

Change-Id: Ic3c49c08abd582b33c8df2be6f00743676068286