Ensure to release wakelock

Bug: 124451539
Test: trivial refactor, presubmits passing
Change-Id: Ic731d0593fc65e9973cd6219421f4e9646da5d3a

services/core/java/com/android/server/location/gnss/GnssLocationProvider.java

@@ -1343,8 +1343,11 @@ public class GnssLocationProvider extends AbstractLocationProvider implements
         // it is handled (otherwise the wake lock would be leaked).
         mWakeLock.acquire(WAKELOCK_TIMEOUT_MILLIS);
         boolean success = mHandler.post(() -> {
-            runnable.run();
-            mWakeLock.release();
+            try {
+                runnable.run();
+            } finally {
+                mWakeLock.release();
+            }
         });
         if (!success) {
             mWakeLock.release();