logd: liblog: logcat: Add LogWhiteBlackList

- liblog android_logger_get_log_size and android_logger_get_readable_size
  adjusted to return long instead of int because of -G flag extending range

NB: ifdef'd only for userdebug and eng builds

- liblog Add android_logger_[sg]et_prune_list and android_logger_set_log_size
- logcat Add -P, -p and -G flags
- logd Add LogWhiteBlackList and configurable log size

(cherry picked from commit 18a5432158ad43b8faefe4950b30e760200ce0b4)

Change-Id: I1572338c1b34bd968ad7867857ef708156ec3b6a
diff --git a/logcat/Android.mk b/logcat/Android.mk
index b5e27eb..dd15cb3 100644
--- a/logcat/Android.mk
+++ b/logcat/Android.mk
@@ -3,6 +3,10 @@
 LOCAL_PATH:= $(call my-dir)
 include $(CLEAR_VARS)
 
+ifneq ($(filter userdebug eng,$(TARGET_BUILD_VARIANT)),)
+LOCAL_CFLAGS += -DUSERDEBUG_BUILD=1
+endif
+
 LOCAL_SRC_FILES:= logcat.cpp event.logtags
 
 LOCAL_SHARED_LIBRARIES := liblog