Kill off use off FORCE_LED_WITH_SCREEN_OFF notification flag.

NotificationManager has been fixed to reenable the LED when turning off
the screen.

reference frameworks commit: https://github.com/rascarlo/android_frameworks_base/commit/03dfe3debd00821a4d3eb1e747a784f58dd3b111
PhoneApp: Initialize ToneGenerator when needed

Whenever there is a radio tech change, mSignalInfoToneGenerator
is released and never created. This leads to phone app crash later
when it is accessed for toneplay. This is fixed by creating the
instance (if null) before calling the APIs.

Bug: 8609102
Change-Id: I2f2513624b66892018dc3191daf3e48c63f744a1
Fix a Cursor leak

When cursor is done, the cursor must be closed to avoid cursor leak.

Change-Id: I627cf2c8a64a220d6fd104505b852daca0928190
Fix a Cursor leak

When cursor is done, the cursor must be closed to avoid cursor leak.

Change-Id: I5f750a6bb499f86d4c76da40d171e9edfe6981d2
Merge remote-tracking branch 'rascarlo/jb-ras-mr1.1' into jb-mr1.1