Merge in upstream changes

From :https://github.com/phhusson/treble_patches

Change-Id: I785ed4d854f28f661b1b48530dc10a5adf076e74
diff --git a/patches/platform_frameworks_av/0004-We-might-not-have-a-mFlashlight-at-this-state-but-th.patch b/patches/platform_frameworks_av/0004-We-might-not-have-a-mFlashlight-at-this-state-but-th.patch
new file mode 100644
index 0000000..7426512
--- /dev/null
+++ b/patches/platform_frameworks_av/0004-We-might-not-have-a-mFlashlight-at-this-state-but-th.patch
@@ -0,0 +1,26 @@
+From ec657f31e92f4a58791a39025632f0350a7750db Mon Sep 17 00:00:00 2001
+From: Pierre-Hugues Husson <phh@phh.me>
+Date: Sun, 19 Aug 2018 23:05:26 +0200
+Subject: [PATCH 4/4] We might not have a mFlashlight at this state, but that's
+ ok
+
+---
+ services/camera/libcameraservice/CameraService.cpp | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/services/camera/libcameraservice/CameraService.cpp b/services/camera/libcameraservice/CameraService.cpp
+index edbafbc..222cfe4 100644
+--- a/services/camera/libcameraservice/CameraService.cpp
++++ b/services/camera/libcameraservice/CameraService.cpp
+@@ -243,7 +243,7 @@ void CameraService::addStates(const String8 id) {
+                                                                 conflicting));
+     }
+ 
+-    if (mFlashlight->hasFlashUnit(id)) {
++    if (mFlashlight != nullptr && mFlashlight->hasFlashUnit(id)) {
+         Mutex::Autolock al(mTorchStatusMutex);
+         mTorchStatusMap.add(id, TorchModeStatus::AVAILABLE_OFF);
+     }
+-- 
+2.7.4
+