Switch minadb over to C++.

Change-Id: I5afaf70caa590525627c676c88b445d3162de33e
diff --git a/minadbd/Android.mk b/minadbd/Android.mk
index 52d3fa4..cbfd76e 100644
--- a/minadbd/Android.mk
+++ b/minadbd/Android.mk
@@ -11,9 +11,9 @@
 include $(CLEAR_VARS)
 
 LOCAL_SRC_FILES := \
-    adb_main.c \
-    fuse_adb_provider.c \
-    services.c \
+    adb_main.cpp \
+    fuse_adb_provider.cpp \
+    services.cpp \
 
 LOCAL_MODULE := libminadbd
 LOCAL_CFLAGS := $(minadbd_cflags)