For for hi-res timer threads on android.

modules/juce_core/native/juce_android_JNIHelpers.h

@@ -362,6 +362,12 @@ private:
 
 extern ThreadLocalJNIEnvHolder threadLocalJNIEnvHolder;
 
+struct AndroidThreadScope
+{
+    AndroidThreadScope()   { threadLocalJNIEnvHolder.attach(); }
+    ~AndroidThreadScope()  { threadLocalJNIEnvHolder.detach(); }
+};
+
 //==============================================================================
 #define JNI_CLASS_MEMBERS(METHOD, STATICMETHOD, FIELD, STATICFIELD) \
  METHOD (createNewView,          "createNewView",        "(ZJ)L" JUCE_ANDROID_ACTIVITY_CLASSPATH "$ComponentPeerView;") \

modules/juce_core/native/juce_posix_SharedCode.h

@@ -837,12 +837,6 @@ extern "C" void* threadEntryProc (void* userData)
     JUCE_AUTORELEASEPOOL
     {
        #if JUCE_ANDROID
-        struct AndroidThreadScope
-        {
-            AndroidThreadScope()   { threadLocalJNIEnvHolder.attach(); }
-            ~AndroidThreadScope()  { threadLocalJNIEnvHolder.detach(); }
-        };
-
         const AndroidThreadScope androidEnv;
        #endif
 
@@ -1184,7 +1178,9 @@ private:
 
     static void* timerThread (void* param)
     {
-       #if ! JUCE_ANDROID
+       #if JUCE_ANDROID
+        const AndroidThreadScope androidEnv;
+       #else
         int dummy;
         pthread_setcancelstate (PTHREAD_CANCEL_ENABLE, &dummy);
        #endif