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This reverts commit 53e1a9c3.

Reason for revert: This appears to cause compile to fail on several Android builder bots, e.g. https://ci.chromium.org/buildbot/chromium.webrtc.fyi/Android%20Builder/16413

Original change's description:
> Created @TraceEvent annotation and corresponding processor
> 
> When a method has the @TraceEvent annotation, it will be transformed to include
> TraceEvent.begin() and TraceEvent.end() at the start and end of the method.
> The function body is moved to a new helper method, while the old function's new
> body looks like the following:
> ```
> TraceEvent.begin("Foo.bar");
> try {
>     wrappedByTraceEvent$bar();
>     TraceEvent.end("Foo.bar");
> } catch (Throwable e) {
>     TraceEvent.end("Foo.bar");
>     throw e;
> }
> ```
> 
> Used the following code to test building various methods:
> ```
> @TraceEvent
> public static void basic() {}
> 
> @TraceEvent
> public void takesArguments(boolean arg1, long arg2, float arg3) {}
> 
> @TraceEvent
> public int returnsPrimitive(int arg1, byte arg2, Object arg3, TraceEvent arg4) {
>     return 10;
> }
> 
> @TraceEvent
> public Object returnsObject(char arg1, short arg2, double arg3) {
>     return null;
> }
> 
> @TraceEvent
> public int throwsError() throws Exception {
>     throw new Exception();
> }
> ```
> 
> Bug: 818267
> Change-Id: I11127203662bf84de4a890da29a09676e760e621
> Reviewed-on: https://chromium-review.googlesource.com/1066173
> Commit-Queue: Tiger Oakes <tigero@google.com>
> Reviewed-by: Biao She <bshe@chromium.org>
> Reviewed-by: agrieve <agrieve@chromium.org>
> Reviewed-by: Eric Stevenson <estevenson@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#565624}

TBR=bshe@chromium.org,agrieve@chromium.org,estevenson@chromium.org,tigero@google.com

Change-Id: I211510f4d7e1d301ad8982f5190972730ddbec1f
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: 818267
Reviewed-on: https://chromium-review.googlesource.com/1092248Reviewed-by: Christian Fremerey <chfremer@chromium.org>
Commit-Queue: Christian Fremerey <chfremer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#565653}