Fix google-explicit-constructor warnings.

Bug: 28341362
Change-Id: I625fbab25f16282c2ea929cd16283d9d146fa17b
diff --git a/camera/ICamera.cpp b/camera/ICamera.cpp
index 9943be6..93f8342 100644
--- a/camera/ICamera.cpp
+++ b/camera/ICamera.cpp
@@ -54,7 +54,7 @@
 class BpCamera: public BpInterface<ICamera>
 {
 public:
-    BpCamera(const sp<IBinder>& impl)
+    explicit BpCamera(const sp<IBinder>& impl)
         : BpInterface<ICamera>(impl)
     {
     }
diff --git a/camera/ICameraClient.cpp b/camera/ICameraClient.cpp
index 179a341..bda122d 100644
--- a/camera/ICameraClient.cpp
+++ b/camera/ICameraClient.cpp
@@ -33,7 +33,7 @@
 class BpCameraClient: public BpInterface<ICameraClient>
 {
 public:
-    BpCameraClient(const sp<IBinder>& impl)
+    explicit BpCameraClient(const sp<IBinder>& impl)
         : BpInterface<ICameraClient>(impl)
     {
     }
diff --git a/camera/ICameraRecordingProxy.cpp b/camera/ICameraRecordingProxy.cpp
index 3dc0ffb..1562601 100644
--- a/camera/ICameraRecordingProxy.cpp
+++ b/camera/ICameraRecordingProxy.cpp
@@ -35,7 +35,7 @@
 class BpCameraRecordingProxy: public BpInterface<ICameraRecordingProxy>
 {
 public:
-    BpCameraRecordingProxy(const sp<IBinder>& impl)
+    explicit BpCameraRecordingProxy(const sp<IBinder>& impl)
         : BpInterface<ICameraRecordingProxy>(impl)
     {
     }
diff --git a/camera/ICameraRecordingProxyListener.cpp b/camera/ICameraRecordingProxyListener.cpp
index cf848fc..8139736 100644
--- a/camera/ICameraRecordingProxyListener.cpp
+++ b/camera/ICameraRecordingProxyListener.cpp
@@ -30,7 +30,7 @@
 class BpCameraRecordingProxyListener: public BpInterface<ICameraRecordingProxyListener>
 {
 public:
-    BpCameraRecordingProxyListener(const sp<IBinder>& impl)
+    explicit BpCameraRecordingProxyListener(const sp<IBinder>& impl)
         : BpInterface<ICameraRecordingProxyListener>(impl)
     {
     }
diff --git a/camera/ICameraService.cpp b/camera/ICameraService.cpp
index b359f57..f52fc64 100644
--- a/camera/ICameraService.cpp
+++ b/camera/ICameraService.cpp
@@ -89,7 +89,7 @@
 class BpCameraService: public BpInterface<ICameraService>
 {
 public:
-    BpCameraService(const sp<IBinder>& impl)
+    explicit BpCameraService(const sp<IBinder>& impl)
         : BpInterface<ICameraService>(impl)
     {
     }
diff --git a/camera/ICameraServiceListener.cpp b/camera/ICameraServiceListener.cpp
index 0010325..0bbff7e 100644
--- a/camera/ICameraServiceListener.cpp
+++ b/camera/ICameraServiceListener.cpp
@@ -37,7 +37,7 @@
 {
 
 public:
-    BpCameraServiceListener(const sp<IBinder>& impl)
+    explicit BpCameraServiceListener(const sp<IBinder>& impl)
         : BpInterface<ICameraServiceListener>(impl)
     {
     }
diff --git a/camera/ICameraServiceProxy.cpp b/camera/ICameraServiceProxy.cpp
index 694e9c3..a9d0836 100644
--- a/camera/ICameraServiceProxy.cpp
+++ b/camera/ICameraServiceProxy.cpp
@@ -26,7 +26,8 @@
 
 class BpCameraServiceProxy: public BpInterface<ICameraServiceProxy> {
 public:
-    BpCameraServiceProxy(const sp<IBinder>& impl) : BpInterface<ICameraServiceProxy>(impl) {}
+    explicit BpCameraServiceProxy(const sp<IBinder>& impl)
+        : BpInterface<ICameraServiceProxy>(impl) {}
 
     virtual void pingForUserUpdate() {
         Parcel data;
diff --git a/camera/camera2/ICameraDeviceCallbacks.cpp b/camera/camera2/ICameraDeviceCallbacks.cpp
index f599879..d694a45 100644
--- a/camera/camera2/ICameraDeviceCallbacks.cpp
+++ b/camera/camera2/ICameraDeviceCallbacks.cpp
@@ -43,7 +43,7 @@
 class BpCameraDeviceCallbacks: public BpInterface<ICameraDeviceCallbacks>
 {
 public:
-    BpCameraDeviceCallbacks(const sp<IBinder>& impl)
+    explicit BpCameraDeviceCallbacks(const sp<IBinder>& impl)
         : BpInterface<ICameraDeviceCallbacks>(impl)
     {
     }
diff --git a/camera/camera2/ICameraDeviceUser.cpp b/camera/camera2/ICameraDeviceUser.cpp
index 2a9fd2b..1aca242 100644
--- a/camera/camera2/ICameraDeviceUser.cpp
+++ b/camera/camera2/ICameraDeviceUser.cpp
@@ -69,7 +69,7 @@
 class BpCameraDeviceUser : public BpInterface<ICameraDeviceUser>
 {
 public:
-    BpCameraDeviceUser(const sp<IBinder>& impl)
+    explicit BpCameraDeviceUser(const sp<IBinder>& impl)
         : BpInterface<ICameraDeviceUser>(impl)
     {
     }