TunerHAL fixes

TunerHAL expects Hz
Fix stopRecordThread race
Push segment000000.ts to device
getFrontendIdByType() should return INVALID_ID when no FE found

Bug: 201556155
Test: VtsHalTvTunerV1_{0,1}TargetTest on BCM device
Change-Id: Idab6817e47f3e10f07a36a8b2fd805336b9f0e5d
Signed-off-by: Pierre Couillaud <pierre@broadcom.com>
diff --git a/tv/tuner/aidl/default/Tuner.cpp b/tv/tuner/aidl/default/Tuner.cpp
index 678be54..8468929 100644
--- a/tv/tuner/aidl/default/Tuner.cpp
+++ b/tv/tuner/aidl/default/Tuner.cpp
@@ -252,8 +252,8 @@
     // assign randomly selected values for testing.
     *_aidl_return = {
             .type = mFrontends[in_frontendId]->getFrontendType(),
-            .minFrequency = 139,
-            .maxFrequency = 1139,
+            .minFrequency = 139000000,
+            .maxFrequency = 1139000000,
             .minSymbolRate = 45,
             .maxSymbolRate = 1145,
             .acquireRange = 30,