Infrastructure of Always-on tracing

The aot infrastructure for instrumenting CUJs.
The usage is like below:
AlwaysOnTraceManager.init(view /* one in the view tree */);
AlwaysOnTraceManager.begin();
...
AlwaysOnTraceManager.end();

Bug: 158756171
Bug: 163514962
Bug: 162483077
Test: Manually
Test: atest FrameworksCoreTests
Change-Id: I570a760d4f3b71e86f19172d8f595e558369ff65