fix(profiling): AndroidContinuousProfiler Reset shouldStop flag on startProfiler

Same fix as PerfettoContinuousProfiler — shouldStop was never reset to
false after stopProfiler, so a stop/start cycle would leave
shouldStop=true and silently stop the profiler after one chunk.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: 43jay

sentry-android-core/src/main/java/io/sentry/android/core/AndroidContinuousProfiler.java

@@ -117,6 +117,7 @@ public void startProfiler(
       final @NotNull ProfileLifecycle profileLifecycle,
       final @NotNull TracesSampler tracesSampler) {
     try (final @NotNull ISentryLifecycleToken ignored = lock.acquire()) {
+      shouldStop = false;
       if (shouldSample) {
         isSampled = tracesSampler.sampleSessionProfile(SentryRandom.current().nextDouble());
         shouldSample = false;

sentry-android-core/src/test/java/io/sentry/android/core/AndroidContinuousProfilerTest.kt

@@ -556,6 +556,24 @@ class AndroidContinuousProfilerTest {
       .log(eq(SentryLevel.WARNING), eq("Device is offline. Stopping profiler."))
   }
 
+  @Test
+  fun `manual profiler can be started again after a full start-stop cycle`() {
+    val profiler = fixture.getSut()
+
+    profiler.startProfiler(ProfileLifecycle.MANUAL, fixture.mockTracesSampler)
+    assertTrue(profiler.isRunning)
+    profiler.stopProfiler(ProfileLifecycle.MANUAL)
+    // Triggers the scheduled executor task that collects perf metrics and finalizes the chunk
+    fixture.executor.runAll()
+    assertFalse(profiler.isRunning)
+
+    profiler.startProfiler(ProfileLifecycle.MANUAL, fixture.mockTracesSampler)
+    assertTrue(profiler.isRunning)
+    // Triggers the scheduled executor task that collects perf metrics and finalizes the chunk
+    fixture.executor.runAll()
+    assertTrue(profiler.isRunning, "shouldStop must be reset on start")
+  }
+
   fun withMockScopes(closure: () -> Unit) =
     Mockito.mockStatic(Sentry::class.java).use {
       it.`when`<Any> { Sentry.getCurrentScopes() }.thenReturn(fixture.scopes)