Add traces for window manager and activity manager.

#define ATRACE_TAG_INPUT            (1<<2)

#define ATRACE_TAG_VIEW             (1<<3)

#define ATRACE_TAG_WEBVIEW          (1<<4)

#define ATRACE_TAG_LAST     ATRACE_TAG_WEBVIEW

#define ATRACE_TAG_WINDOW_MANAGER   (1<<5)

#define ATRACE_TAG_ACTIVITY_MANAGER (1<<6)

#define ATRACE_TAG_LAST             ATRACE_TAG_ACTIVITY_MANAGER

#define ATRACE_TAG_VALID_MASK ((ATRACE_TAG_LAST - 1) | ATRACE_TAG_LAST)