trace_processor: add support for systrace parsing

Bug: 133847449
Change-Id: I63a928dc6af459ef47404ad7570922e70bc116f4

BUILD

diff --git a/BUILD b/BUILD
index 37588d9..3e061a0 100644
--- a/BUILD
+++ b/BUILD
@@ -264,6 +264,9 @@
         "src/trace_processor/syscalls_aarch64.h",
         "src/trace_processor/syscalls_armeabi.h",
         "src/trace_processor/syscalls_x86_64.h",
+        "src/trace_processor/systrace_trace_parser.cc",
+        "src/trace_processor/systrace_trace_parser.h",
+        "src/trace_processor/systrace_utils.h",
         "src/trace_processor/table.cc",
         "src/trace_processor/table.h",
         "src/trace_processor/thread_table.cc",
@@ -535,6 +538,9 @@
         "src/trace_processor/syscalls_aarch64.h",
         "src/trace_processor/syscalls_armeabi.h",
         "src/trace_processor/syscalls_x86_64.h",
+        "src/trace_processor/systrace_trace_parser.cc",
+        "src/trace_processor/systrace_trace_parser.h",
+        "src/trace_processor/systrace_utils.h",
         "src/trace_processor/table.cc",
         "src/trace_processor/table.h",
         "src/trace_processor/thread_table.cc",
@@ -763,6 +769,9 @@
         "src/trace_processor/syscalls_aarch64.h",
         "src/trace_processor/syscalls_armeabi.h",
         "src/trace_processor/syscalls_x86_64.h",
+        "src/trace_processor/systrace_trace_parser.cc",
+        "src/trace_processor/systrace_trace_parser.h",
+        "src/trace_processor/systrace_utils.h",
         "src/trace_processor/table.cc",
         "src/trace_processor/table.h",
         "src/trace_processor/thread_table.cc",