Fix the generated getevent labels.

Some of the less-used stuff stayed behind in input.h, so we need to
parse both files.

Change-Id: Iff2b6e3fc4f5a6584169d12f16427b4f235da21a
Test: manual inspection of the generated file.

toolbox/Android.mk

@@ -73,7 +73,7 @@ $(TOOLS_H):
 
 $(LOCAL_PATH)/getevent.c: $(intermediates)/input.h-labels.h
 
-UAPI_INPUT_EVENT_CODES_H := bionic/libc/kernel/uapi/linux/input-event-codes.h
+UAPI_INPUT_EVENT_CODES_H := bionic/libc/kernel/uapi/linux/input.h bionic/libc/kernel/uapi/linux/input-event-codes.h
 INPUT_H_LABELS_H := $(intermediates)/input.h-labels.h
 $(INPUT_H_LABELS_H): PRIVATE_LOCAL_PATH := $(LOCAL_PATH)
 # The PRIVATE_CUSTOM_TOOL line uses = to evaluate the output path late.

toolbox/generate-input.h-labels.py

@@ -38,7 +38,8 @@ ff_list = []
 
 r = re.compile(r'#define\s+(\S+)\s+((?:0x)?\d+)')
 
-with open(sys.argv[1], 'r') as f:
+for arg in sys.argv[1:]:
+  with open(arg, 'r') as f:
     for line in f:
       m = r.match(line)
       if m: