RUM-10930: dogfood experiment - condition for partial flush now same as in AndroidTracer

Author: satween

features/dd-sdk-android-trace-internal/src/main/java/com/datadog/trace/core/PendingTrace.java

@@ -331,7 +331,7 @@ private PublishState decrementRefAndMaybeWrite(boolean isRootSpan) {
             // Finished root with pending work ... delay write
             pendingTraceBuffer.enqueue(this);
             return PublishState.ROOT_BUFFERED;
-        } else if (partialFlushMinSpans > 0 && size() >= partialFlushMinSpans) {
+        } else if (partialFlushMinSpans > 0 && size() > partialFlushMinSpans) {
             // Trace is getting too big, write anything completed.
             partialFlush();
             return PublishState.PARTIAL_FLUSH;

features/dd-sdk-android-trace-internal/src/test/kotlin/com/datadog/trace/core/PendingTraceTestBase.kt

@@ -144,7 +144,7 @@ internal abstract class PendingTraceTestBase : DDCoreSpecification() {
     @Test
     fun `partial flush`() {
         // Given
-        val quickTracer = tracerBuilder().writer(writer).partialFlushMinSpans(2).build()
+        val quickTracer = tracerBuilder().writer(writer).partialFlushMinSpans(1).build()
         val rootSpan = quickTracer.buildSpan(instrumentationName, "root").start() as DDSpan
         val trace = rootSpan.context().trace as PendingTrace
         val child1 = quickTracer.buildSpan(instrumentationName, "child1")
@@ -192,7 +192,7 @@ internal abstract class PendingTraceTestBase : DDCoreSpecification() {
     @Test
     fun `partial flush with root span closed last`() {
         // Given
-        val quickTracer = tracerBuilder().writer(writer).partialFlushMinSpans(2).build() as CoreTracer
+        val quickTracer = tracerBuilder().writer(writer).partialFlushMinSpans(1).build() as CoreTracer
         val rootSpan = quickTracer.buildSpan(instrumentationName, "root").start() as DDSpan
         val trace = rootSpan.context().trace
         val child1 = quickTracer