Revert "gta4xl-common: Update Audio HIDL to 7.1"

This reverts commit ffed295443f33c2158aae5ff8df1f51acb618bf2.

Reason for revert: Breaks boot on U due to unimplemented StreamOut::setLatencyMode

Change-Id: I87cb44bedfaa4f1e60bf23a8d8aa24913d2f3880
diff --git a/common.mk b/common.mk
index a71e242..4a429fd 100644
--- a/common.mk
+++ b/common.mk
@@ -24,7 +24,7 @@
 # Audio
 PRODUCT_PACKAGES += \
     android.hardware.audio.effect@7.0-impl:32 \
-    android.hardware.audio@7.1-impl:32 \
+    android.hardware.audio@7.0-impl:32 \
     android.hardware.audio.service \
     android.hardware.bluetooth.audio-impl \
     audio.bluetooth.default \
diff --git a/manifest.xml b/manifest.xml
index 029da7c..860f298 100644
--- a/manifest.xml
+++ b/manifest.xml
@@ -2,7 +2,7 @@
     <hal format="hidl">
         <name>android.hardware.audio</name>
         <transport>hwbinder</transport>
-        <version>7.1</version>
+        <version>7.0</version>
         <interface>
             <name>IDevicesFactory</name>
             <instance>default</instance>