Query log size properties only within logd

liblog exposed __android_logger_get_buffer_size() which queries log
size properties, but that should not be a generic library function.
Logd should be the only process that queries these properties and
other processes should query the actual used log sizes from logd via
the android_logger_get_log_*_size() functions.

Also, always use 1MB for log buffer tests, instead of just on host and
various other clean up related to improper types.

Test: log buffers are correctly sized
Merged-In: I9b7c86bf58e569618737afe9097cf1c4d4e61d95
Change-Id: I9b7c86bf58e569618737afe9097cf1c4d4e61d95
diff --git a/logd/LogBufferTest.h b/logd/LogBufferTest.h
index 1fd22c2..eeeb980 100644
--- a/logd/LogBufferTest.h
+++ b/logd/LogBufferTest.h
@@ -75,6 +75,8 @@
         } else {
             FAIL() << "Unknown buffer type selected for test";
         }
+
+        log_id_for_each(i) { log_buffer_->SetSize(i, 1024 * 1024); }
     }
 
     void LogMessages(const std::vector<LogMessage>& messages) {