recovery: Remove the include of adb.h.

recovery.cpp doesn't have a direct dependency on adb.h (only minadbd
does). 'adb.h' was once needed for DEFAULT_ADB_PORT, until being killed
by commit acb2a2fa4c.

Test: mmma bootable/recovery
Change-Id: I84f87988d01c3f0c3d1383cc3cffde2e7d5e7aea

Android.mk

@@ -92,11 +92,9 @@ endif
 
 LOCAL_CFLAGS += -DRECOVERY_API_VERSION=$(RECOVERY_API_VERSION)
 LOCAL_CFLAGS += -Wno-unused-parameter -Werror
-LOCAL_CLANG := true
 
 LOCAL_C_INCLUDES += \
     system/vold \
-    system/core/adb \
 
 LOCAL_STATIC_LIBRARIES := \
     librecovery \

recovery.cpp

@@ -40,7 +40,6 @@
 #include <string>
 #include <vector>
 
-#include <adb.h>
 #include <android-base/file.h>
 #include <android-base/logging.h>
 #include <android-base/parseint.h>