Fixed an illustrious NullPointer bug on Wifi Assistant

+ The class was never instantiated...

Bug: 16543506
Change-Id: I00882df31ee986116b8fa28a54796bb3b20f2e2b
merge in lmp-release history after reset to 2d4d9a9067a2904ed75247f83b0f37a086a020b2
merge in lmp-release history after reset to bed3a7b6aa64a82504057a10a1c38a82feffcc38
merge in lmp-release history after reset to 28ff0ff0f19b3ef2a665d72020509d106bf6e73f
merge in lmp-release history after reset to 0598e6f6842ad08af1d8dbb31aa3ddd3df7e37ed
merge in lmp-release history after reset to ca90af1064f966c1ef764a3388020c94ba4a1121
merge in lmp-release history after reset to 249cf50b19c5b1d9ddce0667fb9d439fcdb6f033
merge in lmp-release history after reset to 8c89e69b5319fdc78181a9548ad794f2944831e4
merge in lmp-release history after reset to f3dfd182e17c91ae4cd9e40a96308b83fdaefb49
merge in lmp-release history after reset to dc77335eda0edee8e8a72d04155aacad91ddc12c
Replace missing resource.

Bug: 16833578
Change-Id: I9ad1dc992577f6bfdc9d1201b6c13591a32f3fc8
merge in lmp-release history after reset to f34c3501948190acf44defefba8eb161ec6dc07b
Removed infinite loop in Multi-Sim Settings.

Change-Id: I1d5e78abcd9b93d8fb4e1b6c14d73f9d23dce38d
merge in lmp-release history after reset to f8811a59ffd4fa39997154681d753d3370697b83
merge in lmp-release history after reset to 092c62f1f3811f205c764fcb5b8347ec8fed67e6
merge in lmp-release history after reset to 092c62f1f3811f205c764fcb5b8347ec8fed67e6
Fix issues in Settings: 16660423, 13172381, 16868094

Issue #16660423: Stability: ArrayIndexOutOfBoundsException in settings:
at com.android.settings.fuelgauge.BatteryHistoryChart$ChartData.draw(
BatteryHistoryChart.java:109)

Issue #13172381: No content description in Battery charging section

Issue #16868094: Settings crash on switching to landscape mode with
"Google Text-to-speech" settings icon selected

Change-Id: I94d0e83f72d571eb90aad6742acabce56c0298ec
merge in lmp-release history after reset to 898671f14123695d74bd308450a462d11a341d1a
merge in lmp-release history after reset to b51253cfed0796b20e03a104aaca4d8d3e2d3024
merge in lmp-release history after reset to f8be13d8ca29a61a97411d9d30cb4b82bb669bcf